A036784 G.f. satisfies A(x) = 1 + x*cycle_index(G,A(x)) where G = tetragonal pyramid group of order 8 with cycle index (z1^5+2*z1*z4+3*z1*z2^2+2*z1^3*z2)/8.

1, 1, 2, 7, 25, 102, 432, 1924, 8808, 41351, 197674, 959589, 4716069, 23422164, 117360162, 592567469, 3011916144, 15398787232, 79136540960, 408574756618, 2118185640135, 11022473614333, 57552696735994, 301434573308538

Offset

0,3

Links

Table of n, a(n) for n=0..23.

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

Crossrefs

Cf. A036783.

Sequence in context: A150509 A150510 A150511 * A221456 A221457 A221458

Adjacent sequences: A036781 A036782 A036783 * A036785 A036786 A036787

Keyword

nonn

Author

N. J. A. Sloane.

Status

approved