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A256055 A256056(n)/2. 1
-1, 2, 3, 5, 10, 15, 21, 34, 48, 65, 94, 129, 175, 237, 312, 413, 545, 705, 907, 1169, 1491, 1887, 2387, 2997, 3747, 4674, 5793, 7160, 8827, 10827, 13244, 16167, 19662, 23840, 28844, 34800, 41880, 50298 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..37.

Miranda C. N. Cheng, John F. R. Duncan, Jeffrey A. Harvey, Umbral Moonshine, arXiv:1204.2779v3.pdf, Oct 13 2013.

CROSSREFS

Cf. A256056.

Sequence in context: A093832 A050947 A037387 * A043826 A043829 A043833

Adjacent sequences:  A256052 A256053 A256054 * A256056 A256057 A256058

KEYWORD

sign

AUTHOR

N. J. A. Sloane, Mar 25 2015

STATUS

approved

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Last modified June 28 00:25 EDT 2022. Contains 354903 sequences. (Running on oeis4.)