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A038300 Triangle whose (i,j)-th entry is binomial(i,j)*9^(i-j)*10^j. +0
1
1, 9, 10, 81, 180, 100, 729, 2430, 2700, 1000, 6561, 29160, 48600, 36000, 10000, 59049, 328050, 729000, 810000, 450000, 100000, 531441, 3542940, 9841500, 14580000, 12150000, 5400000, 1000000, 4782969, 37200870, 124002900, 229635000 (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: A033046 A025635 A116555 this_sequence A041039 A041176 A119072

Adjacent sequences: A038297 A038298 A038299 this_sequence A038301 A038302 A038303

KEYWORD

nonn,tabl,easy

AUTHOR

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

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Last modified November 25 08:46 EST 2009. Contains 167481 sequences.


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