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A038258 Triangle whose (i,j)-th entry is binomial(i,j)*6^(i-j)*4^j. 0
1, 6, 4, 36, 48, 16, 216, 432, 288, 64, 1296, 3456, 3456, 1536, 256, 7776, 25920, 34560, 23040, 7680, 1024, 46656, 186624, 311040, 276480, 138240, 36864, 4096, 279936, 1306368, 2612736, 2903040, 1935360, 774144, 172032, 16384 (list; table; graph; refs; listen; history; 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.

CROSSREFS

Sequence in context: A191567 A163934 A163939 * A114330 A098657 A112521

Adjacent sequences:  A038255 A038256 A038257 * A038259 A038260 A038261

KEYWORD

nonn,tabl,easy

AUTHOR

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

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Last modified February 17 04:58 EST 2012. Contains 205985 sequences.