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A061591 a(n) = 2^x, where x = p*(p-1)/2 and p is the n-th prime. 1
2, 8, 1024, 2097152, 36028797018963968, 302231454903657293676544, 87112285931760246646623899502532662132736, 2993155353253689176481146537402947624255349848014848 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Harry J. Smith, Table of n, a(n) for n = 1..22

PROG

(PARI) { n=0; forprime (p=2, prime(22), write("b061591.txt", n++, " ", 2^(p*(p - 1)/2)) ) } \\ Harry J. Smith, Jul 25 2009

CROSSREFS

Cf. A007955, A006308. The exponents x are in A008837.

Sequence in context: A004491 A132573 A322142 * A103085 A084148 A014115

Adjacent sequences:  A061588 A061589 A061590 * A061592 A061593 A061594

KEYWORD

nonn

AUTHOR

Labos Elemer, May 22 2001

EXTENSIONS

Offset changed from 2 to 1 by Harry J. Smith, Jul 25 2009

STATUS

approved

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Last modified July 18 21:25 EDT 2019. Contains 325144 sequences. (Running on oeis4.)