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A038312 Triangle whose (i,j)-th entry is binomial(i,j)*10^(i-j)*10^j. 0
1, 10, 10, 100, 200, 100, 1000, 3000, 3000, 1000, 10000, 40000, 60000, 40000, 10000, 100000, 500000, 1000000, 1000000, 500000, 100000, 1000000, 6000000, 15000000, 20000000, 15000000, 6000000, 1000000, 10000000, 70000000, 210000000 (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..30.

CROSSREFS

Sequence in context: A285907 A286734 A285897 * A217979 A010100 A285942

Adjacent sequences:  A038309 A038310 A038311 * A038313 A038314 A038315

KEYWORD

nonn,tabl,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified November 18 15:55 EST 2018. Contains 317323 sequences. (Running on oeis4.)