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A038323 Triangle whose (i,j)-th entry is binomial(i,j)*11^(i-j)*9^j. 0
1, 11, 9, 121, 198, 81, 1331, 3267, 2673, 729, 14641, 47916, 58806, 32076, 6561, 161051, 658845, 1078110, 882090, 360855, 59049, 1771561, 8696754, 17788815, 19405980, 11908215, 3897234, 531441, 19487171, 111608343, 273947751 (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: A196006 A196003 A072208 * A121154 A078200 A105034

Adjacent sequences:  A038320 A038321 A038322 * A038324 A038325 A038326

KEYWORD

nonn,tabl,easy

AUTHOR

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

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Last modified February 17 16:13 EST 2012. Contains 206050 sequences.