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A038259 Triangle whose (i,j)-th entry is binomial(i,j)*6^(i-j)*5^j. 0
1, 6, 5, 36, 60, 25, 216, 540, 450, 125, 1296, 4320, 5400, 3000, 625, 7776, 32400, 54000, 45000, 18750, 3125, 46656, 233280, 486000, 540000, 337500, 112500, 15625, 279936, 1632960, 4082400, 5670000, 4725000, 2362500, 656250, 78125 (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: A070399 A137763 A029763 * A189422 A130554 A037054

Adjacent sequences:  A038256 A038257 A038258 * A038260 A038261 A038262

KEYWORD

nonn,tabl,easy

AUTHOR

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

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Last modified February 17 17:35 EST 2012. Contains 206061 sequences.