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A036784 G.f. satisfies A(x) = 1 + x*cycle_index(G,A(x)) where G = tetragonal pyramid group of order 8 with cycle index (A1^5+2*A1*A4+3*A1*A2^2+2*A1^3*A2)/8. +0
1
1, 1, 2, 7, 25, 102, 432, 1924, 8808, 41351, 197674, 959589, 4716069, 23422164, 117360162, 592567469, 3011916144, 15398787232, 79136540960, 408574756618, 2118185640135, 11022473614333, 57552696735994, 301434573308538 (list; graph; listen)
OFFSET

0,3

REFERENCES

B. A. Kennedy et al., Group theory and isomerism, Inorg. Chem. 3 (1964), 265-268, for cycle index.

CROSSREFS

Sequence in context: A150509 A150510 A150511 this_sequence A097597 A150512 A150513

Adjacent sequences: A036781 A036782 A036783 this_sequence A036785 A036786 A036787

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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