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A038331 Triangle whose (i,j)-th entry is binomial(i,j)*12^(i-j)*5^j. 0
1, 12, 5, 144, 120, 25, 1728, 2160, 900, 125, 20736, 34560, 21600, 6000, 625, 248832, 518400, 432000, 180000, 37500, 3125, 2985984, 7464960, 7776000, 4320000, 1350000, 225000, 15625, 35831808, 104509440, 130636800, 90720000 (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: A205141 A122561 A110185 * A028578 A013680 A033963

Adjacent sequences:  A038328 A038329 A038330 * A038332 A038333 A038334

KEYWORD

nonn,tabl,easy

AUTHOR

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

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Last modified February 15 07:16 EST 2012. Contains 205700 sequences.