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A038252 Triangle whose (i,j)-th entry is binomial(i,j)*5^(i-j)*10^j. 0
1, 5, 10, 25, 100, 100, 125, 750, 1500, 1000, 625, 5000, 15000, 20000, 10000, 3125, 31250, 125000, 250000, 250000, 100000, 15625, 187500, 937500, 2500000, 3750000, 3000000, 1000000, 78125, 1093750, 6562500, 21875000, 43750000 (list; table; graph; refs; listen; history; text; 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.

LINKS

Table of n, a(n) for n=0..32.

CROSSREFS

Sequence in context: A245415 A106729 A212950 * A211865 A083010 A166388

Adjacent sequences:  A038249 A038250 A038251 * A038253 A038254 A038255

KEYWORD

nonn,tabl,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified September 25 16:31 EDT 2017. Contains 292499 sequences.