A159933 INVERTi transform of d(n), A000005.

1, 1, -1, 0, -1, 2, -1, -1, 3, -4, 2, 2, -3, 0, 0, 6, -7, -5, 14, -2, -14, 6, 13, -12, -2, 6, -1, -8, 7, 36, -79, 15, 108, -100, -23, 32, 83, -60, -167, 306, -133, -184, 318, -158, -91, 54, 295, -232, -641, 1059, 180, -1470, 497, 1404, -1069, -978, 1396, 386

Offset

1,6

Comments

Preface d(n) with a 1: (1, 1, 2, 2, 3, 2,...); then convolved with A159933 = the next term in d(n).

Links

Table of n, a(n) for n=1..58.

Formula

INVERTi transform of d(n): (1, 2, 2, 3, 2, 4, 2, 4, 3,...).

Example

d(6) = 4 = (1, 1, 2, 2, 3, 2) dot (2, -1, 0, -1, 1, 1) = (2, -1, 0, -2, 3, 2) = 4.

Crossrefs

Cf. A000005, A159934.

Sequence in context: A145034 A286510 A336842 * A305431 A128314 A025564

Adjacent sequences: A159930 A159931 A159932 * A159934 A159935 A159936

Keyword

sign

Author

Gary W. Adamson, Apr 26 2009

Extensions

More terms from Alois P. Heinz, Mar 31 2016

Status

approved