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A118426
Values of n such that no solutions (x, y, z) to n = x^2 + (2y)^2 + z(z+1)/2 are zerofree.
3
1, 2, 3, 4, 7, 10, 12, 22, 24
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OFFSET
1,2
LINKS
Table of n, a(n) for n=1..9.
Eric Weisstein's World of Mathematics,
Square-Triangle Theorem
CROSSREFS
Cf.
A118421
,
A118422
,
A118423
.
Sequence in context:
A104519
A321684
A117220
*
A082008
A105330
A097545
Adjacent sequences:
A118423
A118424
A118425
*
A118427
A118428
A118429
KEYWORD
nonn
,
fini
,
more
AUTHOR
Eric W. Weisstein
, Apr 27 2006
STATUS
approved
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Last modified August 29 15:03 EDT 2024. Contains 375517 sequences. (Running on oeis4.)