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A274866
Number of set partitions of [n] such that the difference between each element and its index (in the partition) is a multiple of nine.
1
1, 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768, 65536, 131072, 262400, 525312, 1051648, 2105344, 4214784, 8437760, 16891904, 33816576, 67698688, 135726080, 272175872, 545883008, 1094922880, 2196262528, 4405472896, 8836975232
OFFSET
0,3
CROSSREFS
Column k=9 of A274859.
Sequence in context: A171449 A122803 A274867 * A274865 A364040 A050732
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Jul 09 2016
STATUS
approved