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URL: https://oeis.org/A307630

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A307630

Index at which n first appears in A307720.

5

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

(list; graph; refs; listen; history; text; internal format)

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 A393294

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