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A262200 Number of compositions of n such that the maximal distance between two identical parts equals five. 1

%I

%S 0,1,4,13,34,80,172,352,682,1277,2314,4103,7112,12120,20302,33582,

%T 54860,88699,142036,225407,354938,554698,861366,1328654,2038498,

%U 3108789,4718194,7122619,10705550,16012298,23852554,35374650,52262054,76898593

%N Number of compositions of n such that the maximal distance between two identical parts equals five.

%e a(6) = 1: 111111.

%e a(7) = 4: 111121, 111211, 112111, 121111.

%e a(8) = 13: 111131, 111221, 111311, 112121, 112211, 113111, 121121, 121211, 122111, 131111, 211112, 1111112, 2111111.

%e a(9) = 34: 111141, 111231, 111321, 111411, 112131, 112221, 112311, 113121, 113211, 114111, 121131, 121221, 121311, 122121, 122211, 123111, 131121, 131211, 132111, 141111, 211122, 211212, 212112, 221112, 1111113, 1111212, 1112112, 1121112, 1211112, 2111121, 2111211, 2112111, 2121111, 3111111.

%Y Column k=5 of A262191.

%K nonn

%O 5,3

%A _Alois P. Heinz_, Sep 14 2015

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Last modified July 19 12:26 EDT 2019. Contains 325159 sequences. (Running on oeis4.)