A038259 Triangle whose (i,j)-th entry is binomial(i,j)*6^(i-j)*5^j.

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

Offset: 0

Author

N. J. A. Sloane

Keywords

• nonn
• tabl
• easy

Examples

			   1
   6    5
  36   60   25
216  540  450  125
1296 4320 5400 3000  625
7776 32400 54000 45000 18750 3125
		

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

• Harvey P. Dale, Table of n, a(n) for n = 0..1000

Crossrefs

Cf. A001020 (row sums).

Programs

Mathematica

Table[Binomial[k,m]6^(k-m) 5^m,{k,0,10},{m,0,k}]//Flatten (* Harvey P. Dale, Aug 26 2020 *)