A055771 - OEIS

A055771

Multiplicity of irreducible character IRR2 of Monster simple group in n-th head character.

0, 1, 1, 2, 3, 5, 7, 11, 15, 23, 31, 45, 61, 87, 116, 162, 216, 296, 392, 531, 699, 937, 1228, 1629, 2127, 2802, 3640, 4763, 6166, 8021, 10345, 13391, 17210, 22180, 28417, 36474, 46595, 59599, 75921, 96799, 123001, 156368, 198221, 251334

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OFFSET

0,4

LINKS

Table of n, a(n) for n=0..43.

J. H. Conway and S. P. Norton, Monstrous Moonshine, Bull. Lond. Math. Soc. 11 (1979) 308-339.

John McKay and Hubertus Strauss, The q-series of monstrous moonshine and the decomposition of the head characters, Comm Algebra 18 (1990), no. 1, 253-278.

CROSSREFS

Cf. A014810, A055791.

Sequence in context: A024792 A280661 A340659 * A052955 A326466 A326591

Adjacent sequences: A055768 A055769 A055770 * A055772 A055773 A055774

KEYWORD

nonn,changed

AUTHOR

N. J. A. Sloane, Jul 22 2000

EXTENSIONS

Offset edited by Andrei Zabolotskii, May 10 2026

STATUS

approved