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A038236 Triangle whose (i,j)-th entry is binomial(i,j)*4^(i-j)*6^j. 0
1, 4, 6, 16, 48, 36, 64, 288, 432, 216, 256, 1536, 3456, 3456, 1296, 1024, 7680, 23040, 34560, 25920, 7776, 4096, 36864, 138240, 276480, 311040, 186624, 46656, 16384, 172032, 774144, 1935360, 2903040, 2612736, 1306368, 279936 (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..35.

CROSSREFS

Sequence in context: A056421 A032295 A072279 * A223269 A223357 A083009

Adjacent sequences:  A038233 A038234 A038235 * A038237 A038238 A038239

KEYWORD

nonn,tabl,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified May 24 00:31 EDT 2013. Contains 225613 sequences.