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A038307 Triangle whose (i,j)-th entry is binomial(i,j)*10^(i-j)*5^j. +0
1
1, 10, 5, 100, 100, 25, 1000, 1500, 750, 125, 10000, 20000, 15000, 5000, 625, 100000, 250000, 250000, 125000, 31250, 3125, 1000000, 3000000, 3750000, 2500000, 937500, 187500, 15625, 10000000, 35000000, 52500000, 43750000 (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: A033962 A096898 A146008 this_sequence A094260 A010171 A006518

Adjacent sequences: A038304 A038305 A038306 this_sequence A038308 A038309 A038310

KEYWORD

nonn,tabl,easy

AUTHOR

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

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Last modified December 7 08:40 EST 2009. Contains 170430 sequences.


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