A038248 Triangle whose (i,j)-th entry is binomial(i,j)*5^(i-j)*6^j.

1, 5, 6, 25, 60, 36, 125, 450, 540, 216, 625, 3000, 5400, 4320, 1296, 3125, 18750, 45000, 54000, 32400, 7776, 15625, 112500, 337500, 540000, 486000, 233280, 46656, 78125, 656250, 2362500, 4725000, 5670000, 4082400, 1632960, 279936

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..35.

Crossrefs

Sequence in context: A249222 A034497 A136888 * A046831 A003226 A088834

Adjacent sequences: A038245 A038246 A038247 * A038249 A038250 A038251

Keyword

nonn,tabl,easy

Author

N. J. A. Sloane.

Status

approved