login
A275077
Number of set partitions of [n] such that i-j is a multiple of ten for all i,j belonging to the same block.
2
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2560, 6400, 16000, 40000, 100000, 250000, 625000, 1562500, 3906250, 9765625, 29296875, 87890625, 263671875, 791015625, 2373046875, 7119140625, 21357421875, 64072265625, 192216796875
OFFSET
0,12
LINKS
FORMULA
a(n) = Product_{i=0..9} A000110(floor((n+i)/10)).
CROSSREFS
Column k=10 of A275069.
Cf. A000110.
Sequence in context: A274864 A274863 A138815 * A275065 A367654 A180212
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Jul 15 2016
STATUS
approved