A101253 - OEIS

A101253

a(n) = n-th prime of Erdős-Selfridge classification n+.

2, 19, 113, 617, 1877, 8753, 52517, 255043, 1532173, 9287521, 48499459, 353653063, 2136716521, 18171787987, 111795382441

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OFFSET

1,1

COMMENTS

Diagonalization of the Erdős-Selfridge classification of primes n+. See A101231 for diagonalization of the Erdős-Selfridge classification of primes n-.

REFERENCES

R. K. Guy, Unsolved Problems in Number Theory, A18.

LINKS

Table of n, a(n) for n=1..15.

EXAMPLE

a(1) = 2 because 2 is the first element of A005105.

a(2) = 19 because 19 is the 2nd element of A005106.

a(3) = 113 because 113 is the 3rd element of A005107.

a(4) = 617 because 617 is the 4th element of A005108.

a(5) = 1877 because 1877 is the 5th element of A081633.

a(6) = 8753 because 8753 is the 6th element of A081634.

CROSSREFS

Cf. A101231, A005105, A005106, A005107, A005108, A081633, A081634, A081635, A081636, A081637, A081638, A081639, A005113, A019268.

Cf. A084071, A090468, A129474, A129475.

Sequence in context: A278405 A285791 A376481 * A082291 A055518 A289230

Adjacent sequences: A101250 A101251 A101252 * A101254 A101255 A101256

KEYWORD

nonn

AUTHOR

Jonathan Vos Post, Dec 16 2004

EXTENSIONS

More terms from David Wasserman, Mar 26 2008

STATUS

approved