A256265 Sums of two successive terms of A256264.

1, 3, 7, 11, 15, 23, 35, 43, 47, 55, 67, 79, 95, 123, 155, 171, 175, 183, 195, 207, 223, 251, 283, 303, 319, 347, 387, 439, 503, 579, 651, 683, 687, 695, 707, 719, 735, 763, 795, 815, 831, 859, 899, 951, 1015, 1091, 1163, 1199, 1215, 1243, 1283, 1335, 1399, 1475, 1563, 1663, 1775, 1899, 2035, 2183, 2343, 2515, 2667, 2731

Offset

1,2

Comments

First differs from A139250 (the toothpick sequence) at a(27).

It appears that both sequences share infinitely many terms, for example: a(1)..a(26), a(31)..a(42), a(47)..a(50), a(63)..a(74), a(79)..a(82), etc.

The main entry for this sequence is A256263.

Links

Table of n, a(n) for n=1..64.

Formula

a(n) = A256264(n) + A256264(n-1).

Crossrefs

Cf. A007583, A139250, A255747, A256260, A256261, A256263, A256264.

Sequence in context: A160808 A151567 A139250 * A266535 A182634 A365142

Adjacent sequences: A256262 A256263 A256264 * A256266 A256267 A256268

Keyword

nonn

Author

Omar E. Pol, Apr 10 2015

Status

approved