A038313 Triangle whose (i,j)-th entry is binomial(i,j)*10^(i-j)*11^j.

1, 10, 11, 100, 220, 121, 1000, 3300, 3630, 1331, 10000, 44000, 72600, 53240, 14641, 100000, 550000, 1210000, 1331000, 732050, 161051, 1000000, 6600000, 18150000, 26620000, 21961500, 9663060, 1771561, 10000000, 77000000, 254100000

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: A288336 A288805 A171782 * A066330 A361336 A348109

Adjacent sequences: A038310 A038311 A038312 * A038314 A038315 A038316

Keyword

nonn,tabl,easy

Author

N. J. A. Sloane.

Status

approved