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Search: id:A137692
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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). +0
4
2, 3, 5, 11, 13, 61, 18481, 55441, 53413361, 11827018732969441 (list; graph; listen)
OFFSET

1,1

COMMENT

The next term is A128646(376)+1, which has 226 decimal digits. The keyword "less" is meant to suggest to add new terms rather in A137691 than here.

PROGRAM

(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-A137691, A092063.

Sequence in context: A096650 A111107 A129201 this_sequence A004680 A004690 A001882

Adjacent sequences: A137689 A137690 A137691 this_sequence A137693 A137694 A137695

KEYWORD

nonn

AUTHOR

M. F. Hasler (Maximilian.Hasler(AT)gmail.com), Feb 07 2008

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Last modified December 3 01:16 EST 2008. Contains 151161 sequences.


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