A038310 Triangle whose (i,j)-th entry is binomial(i,j)*10^(i-j)*8^j.

1, 10, 8, 100, 160, 64, 1000, 2400, 1920, 512, 10000, 32000, 38400, 20480, 4096, 100000, 400000, 640000, 512000, 204800, 32768, 1000000, 4800000, 9600000, 10240000, 6144000, 1966080, 262144, 10000000, 56000000, 134400000, 179200000

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..31.

Mathematica

Table[Binomial[i, j]10^(i-j) 8^j, {i, 0, 10}, {j, 0, i}]//Flatten (* Harvey P. Dale, Nov 11 2016 *)

Crossrefs

Sequence in context: A147974 A213553 A317813 * A318421 A280902 A118768

Adjacent sequences: A038307 A038308 A038309 * A038311 A038312 A038313

Keyword

nonn,tabl,easy

Author

N. J. A. Sloane.

Status

approved