A305372 A109812(2k+1).

1, 4, 8, 10, 6, 18, 17, 32, 24, 20, 36, 40, 34, 48, 64, 41, 25, 65, 37, 23, 27, 35, 67, 80, 88, 29, 129, 97, 45, 132, 69, 73, 74, 70, 71, 51, 131, 192, 160, 144, 84, 54, 46, 134, 194, 138, 162, 146, 139, 133, 196, 256, 208, 62, 55, 258, 322, 83, 89, 264, 161, 145, 152, 148, 135, 259, 163, 90, 266, 154, 106, 288

Offset

0,2

Comments

It appears that this is the same as A305369(4k+3)/2.

This is an (apparent) link between A109812 and A305369, and a formula or recurrence would benefit both sequences.

Links

N. J. A. Sloane, Table of n, a(n) for n = 0..4999

Crossrefs

Cf. A109812, A305369.

The graphs of A109812, A252867, A305369, A305372 all have roughly the same, mysterious, fractal-like structure. - N. J. A. Sloane, Jun 03 2018

Sequence in context: A072037 A076703 A360900 * A261602 A265733 A266146

Adjacent sequences: A305369 A305370 A305371 * A305373 A305374 A305375

Keyword

nonn

Author

N. J. A. Sloane, Jun 02 2018

Status

approved