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#19 by OEIS Server at Fri Jun 14 10:06:47 EDT 2024
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Robert Israel, <a href="/A082675/b082675_1.txt">Table of n, a(n) for n = 1..1000</a>
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#18 by Alois P. Heinz at Fri Jun 14 10:06:47 EDT 2024
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Discussion
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| Fri Jun 14
| 10:06
| OEIS Server: Installed first b-file as b082675.txt.
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#17 by Robert Israel at Fri Jun 14 09:41:25 EDT 2024
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#16 by Robert Israel at Fri Jun 14 09:41:20 EDT 2024
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| EXTENSIONS
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Definition edited by Robert Israel, Jun 14 2024
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| STATUS
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proposed
editing
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#15 by Robert Israel at Fri Jun 14 09:36:11 EDT 2024
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#14 by Robert Israel at Fri Jun 14 09:36:00 EDT 2024
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| NAME
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Constant term when a polynomial of degree <= n is fitted to the first n+1 upper members of the twin prime pairs.
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proposed
editing
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#13 by Robert Israel at Mon Jun 10 19:36:22 EDT 2024
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Discussion
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| Wed Jun 12
| 17:26
| N. J. A. Sloane: Yes, good suggestion! Please make that change!
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#12 by Robert Israel at Mon Jun 10 19:35:09 EDT 2024
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Robert Israel, <a href="/A082675/b082675_1.txt">Table of n, a(n) for n = 1..1000</a>
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approved
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Discussion
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| Mon Jun 10
| 19:36
| Robert Israel: Should the Name say "degree <= n"? AFAIK there is no guarantee that the coefficient of x^n will be nonzero.
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#11 by Jon E. Schoenfield at Fri Aug 07 03:06:39 EDT 2015
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#10 by Jon E. Schoenfield at Fri Aug 07 03:06:37 EDT 2015
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| MAPLE
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A006512 := proc(n) local i, p ; i := 1 ; p := 0 ; while true do while ithprime(i+1)-ithprime(i) <> 2 do i := i+1 ; od ; p := p+1 ; if p = n then RETURN( ithprime(i+1) ) ; fi ; i := i+1 ; od ; end: A082675 := proc(n) local rhs, co, row, col; rhs := linalg[vector](n+1) ; co := linalg[matrix](n+1, n+1) ; for row from 1 to n+1 do rhs[row] := A006512(row) ; for col from 1 to n+1 do co[row, col] := row^(col-1) ; od ; od ; linalg[linsolve](co, rhs)[1] ; end: for n from 1 to 30 do printf("%d, ", A082675(n)) ; od ; - _ ; # _R. J. Mathar_, Oct 31 2006
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approved
editing
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