|
| |
|
|
A038334
|
|
Triangle whose (i,j)-th entry is binomial(i,j)*12^(i-j)*8^j.
|
|
0
|
|
|
|
1, 12, 8, 144, 192, 64, 1728, 3456, 2304, 512, 20736, 55296, 55296, 24576, 4096, 248832, 829440, 1105920, 737280, 245760, 32768, 2985984, 11943936, 19906560, 17694720, 8847360, 2359296, 262144, 35831808, 167215104, 334430208, 371589120
(list;
table;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
0,2
|
|
|
REFERENCES
|
B. N. Cyvin et al., Isomer enumeration of unbranched catacondensed polygonal systems with pentagons and heptagons, Match, No. 34 (Oct 1996), pp. 109-121.
|
|
|
LINKS
|
Table of n, a(n) for n=0..31.
|
|
|
MATHEMATICA
|
Table[Binomial[n, k]12^(n-k) 8^k, {n, 0, 10}, {k, 0, n}]//Flatten (* Harvey P. Dale, May 25 2020 *)
|
|
|
CROSSREFS
|
Sequence in context: A168386 A338825 A338809 * A101501 A299515 A326927
Adjacent sequences: A038331 A038332 A038333 * A038335 A038336 A038337
|
|
|
KEYWORD
|
nonn,tabl,easy
|
|
|
AUTHOR
|
N. J. A. Sloane.
|
|
|
STATUS
|
approved
|
| |
|
|
