login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A036783 G.f. satisfies A(x) = 1 + x*cycle_index(G,A(x)) where G = tetragonal pyramid group of order 4 with cycle index (z1^5+2*z1*z4+z1*z2^2)/4. 1
1, 1, 2, 7, 27, 118, 539, 2582, 12736, 64363, 331239, 1730575, 9153221, 48917102, 263737228, 1432790266, 7835499474, 43099916199, 238299581172, 1323627927733, 7382441210007, 41328639721641, 232150252111223, 1308049090247417 (list; graph; refs; listen; history; text; internal format)
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. A036784.

Sequence in context: A150643 A150644 A007166 * A150645 A060017 A211475

Adjacent sequences:  A036780 A036781 A036782 * A036784 A036785 A036786

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified February 25 14:07 EST 2021. Contains 341609 sequences. (Running on oeis4.)