A137692 Primes of the form A128646(k)+1 for some k (listed in A137691), where A128646 = denominators of partial sums of 1/(p(i)-1).

2, 3, 5, 11, 13, 61, 18481, 55441, 53413361, 11827018732969441

Offset

1,1

Comments

The next term is A128646(376)+1, which has 226 decimal digits.

Links

Table of n, a(n) for n=1..10.

Prog

(PARI) A137691v = [1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 14, 18, 38, 376, 377, 378, 379, 380, 381, 382, 383, 384, 385] /*see there*/; A137692 = vecsort(vector(15, k, A128646(A137691v[k])+1), 8) /* ..., 8 removes duplicate entries in PARI > 2.4.1 */

Crossrefs

Cf. A128646, A137689, A137690, A137691, A092063.

Sequence in context: A186641 A215354 A129201 * A331785 A249684 A275913

Adjacent sequences: A137689 A137690 A137691 * A137693 A137694 A137695

Keyword

nonn

Author

M. F. Hasler, Feb 07 2008

Status

approved