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A120721 Partial sums of A079645. 2
1, 3, 6, 10, 15, 21, 28, 36, 46, 58, 72, 88, 106, 126, 148, 172, 198, 225, 255, 288, 324, 363, 405, 450, 498, 549, 603, 660, 720, 783, 847, 915, 987, 1063, 1143, 1227, 1315, 1407, 1503, 1603, 1707, 1815, 1927, 2043, 2163, 2287, 2412, 2542, 2677, 2817, 2962, 3112, 3267 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..53.

FORMULA

Let M = {{0, 1}, {-16, 12}}, v[1] = {0, 1}, v[n] = M.v[n - 1]. Then a(n) =v[n][[1]]. - Roger L. Bagula, Aug 15 2006

CROSSREFS

Cf. A079645, A032378, A112873.

Sequence in context: A069792 A194153 A025737 * A122056 A025706 A025730

Adjacent sequences:  A120718 A120719 A120720 * A120722 A120723 A120724

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Oct 29 2006

STATUS

approved

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Last modified December 1 16:44 EST 2021. Contains 349430 sequences. (Running on oeis4.)