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A294056
Number of set partitions of [n] such that the maximal absolute difference between consecutive elements within a block equals seven.
2
203, 2108, 16657, 117897, 783922, 4993579, 30785899, 185088952, 1091673665, 6342173645, 36398304558, 206815079839, 1165446105293, 6522388312404, 36291251200978, 200938029161451, 1107900649341124, 6086624218751214, 33335270870796943, 182080367445331011, 992214076623396046
OFFSET
8,1
LINKS
FORMULA
a(n) = A287279(n) - A287278(n).
CROSSREFS
Column k=7 of A287213.
Sequence in context: A272390 A320557 A270770 * A255946 A273656 A331129
KEYWORD
nonn,easy
AUTHOR
Alois P. Heinz, Oct 22 2017
STATUS
approved