A272928 Partial sums of A147562.

0, 1, 6, 15, 36, 61, 98, 147, 232, 321, 422, 535, 684, 845, 1042, 1275, 1616, 1961, 2318, 2687, 3092, 3509, 3962, 4451, 5048, 5657, 6302, 6983, 7772, 8597, 9530, 10571, 11936, 13305, 14686, 16079, 17508, 18949, 20426, 21939, 23560, 25193, 26862, 28567, 30380

Offset

0,3

Links

Table of n, a(n) for n=0..44.

Mathematica

{0}~Join~Accumulate@ Map[Plus @@ Flatten@ # &, CellularAutomaton[{686, {2, {{0, 2, 0}, {2, 1, 2}, {0, 2, 0}}}, {1, 1}}, {{{1}}, 0}, 43]] (* A272928: Michael De Vlieger, May 11 2016, after Nadia Heninger and N. J. A. Sloane at A147562 *)

Crossrefs

Cf. A147562.

Sequence in context: A320941 A273390 A273451 * A269567 A253098 A272989

Adjacent sequences: A272925 A272926 A272927 * A272929 A272930 A272931

Keyword

nonn,easy

Author

Robert Price, May 10 2016

Status

approved