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A038254 Triangle whose (i,j)-th entry is binomial(i,j)*5^(i-j)*12^j. +0
1
1, 5, 12, 25, 120, 144, 125, 900, 2160, 1728, 625, 6000, 21600, 34560, 20736, 3125, 37500, 180000, 432000, 518400, 248832, 15625, 225000, 1350000, 4320000, 7776000, 7464960, 2985984, 78125, 1312500, 9450000, 37800000, 90720000 (list; table; graph; listen)
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: A081501 A086168 A108201 this_sequence A073095 A078517 A128439

Adjacent sequences: A038251 A038252 A038253 this_sequence A038255 A038256 A038257

KEYWORD

nonn,tabl,easy

AUTHOR

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

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.


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