A338340 Numbers k such that A338338(k) is a prime p that starts a run of three terms in A338338 that are divisible by p.

2, 7, 11, 19, 38, 78, 82, 91, 125, 157, 161, 186, 206, 260, 290, 331, 377, 430, 453, 493, 502, 514, 601, 610, 619, 675, 684, 711, 744, 797, 822, 946, 1039, 1061, 1087, 1215, 1313, 1317, 1494, 1557, 1736, 1765, 1930, 1939, 2053, 2217, 2231, 2260, 2522, 2710, 2719, 2846, 2904

Offset

1,1

Links

Rémy Sigrist, Table of n, a(n) for n = 1..10000

Rémy Sigrist, PARI program for A338340

Prog

(PARI) See Links section.

Crossrefs

Cf. A338338-A338349.

Sequence in context: A106905 A344141 A344142 * A097159 A139603 A141183

Adjacent sequences: A338337 A338338 A338339 * A338341 A338342 A338343

Keyword

nonn

Author

N. J. A. Sloane, Oct 27 2020

Status

approved