A307630 Index at which n first appears in A307720.

1, 3, 5, 27, 47, 99, 53, 137, 177, 1024, 1374, 2474, 1386, 3326, 3662, 5274, 3738, 6290, 3756, 8954, 9374, 12878, 6680, 9682, 9850, 10324, 11010, 14578, 6704, 78506, 84626, 106968, 88474, 127682, 86802, 143544, 84658, 160664, 97850, 274079, 89480, 326195

Offset

1,2

Links

Rémy Sigrist, Table of n, a(n) for n = 1..10000 (terms 1..239 from Hans Havermann, terms 240..669 from Lars Blomberg)

Rémy Sigrist, Log-plot of first 5000 terms.

Rémy Sigrist, C++ program for A307630.

Prog

(C++) See Links section.

Crossrefs

Cf. A307720, A307631, A307632, A307633, A307634, A307730, A307747.

Sequence in context: A069060 A273523 A307631 * A163783 A103526 A054388

Adjacent sequences: A307627 A307628 A307629 * A307631 A307632 A307633

Keyword

nonn

Author

N. J. A. Sloane, Apr 25 2019

Extensions

More terms from Hans Havermann, Apr 25 2019

Status

approved