A103721 - OEIS

A103721

Column m=4 sequence of triangle A103718(n,m), n>=0, without leading zeros.

1, 16, 196, 2282, 26985, 332598, 4318985, 59335265, 863276986, 13293822542, 216384972440, 3716485452680, 67227576292304, 1278312555078496, 25502239872984528, 532814523875346960, 11637791340592658976

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OFFSET

0,2

LINKS

Table of n, a(n) for n=0..16.

FORMULA

a(n)= |S1(n+5, 5)| + |S1(n+5, 6)|= |S1(n+6, 6)|-(n+4)*|S1(n+5, 6)|, with S1(n, m):= A048994(n, m), n>=>m=0 (Stirling1 triangle).

CROSSREFS

Sequence in context: A086940 A016173 A005747 * A144844 A093060 A153885

Adjacent sequences: A103718 A103719 A103720 * A103722 A103723 A103724

KEYWORD

nonn,easy

AUTHOR

Wolfdieter Lang, Feb 24 2005

STATUS

approved