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A178888 Irregular table A035206(n,k)*A096162(n,k), read by rows. 5

%I #6 Jan 21 2019 14:42:08

%S 1,2,2,3,6,6,4,12,12,24,24,5,20,20,60,60,120,120,6,30,30,30,120,120,

%T 120,360,360,720,720,7,42,42,42,210,210,210,210,840,840,840,2520,2520,

%U 5040,5040,8,56,56,56,56,336,336,336,336,336,1680,1680,1680,1680,1680,6720,6720,6720,20160,20160

%N Irregular table A035206(n,k)*A096162(n,k), read by rows.

%e A035206 begins 1 2 1 3 6 1 4 12 6 12 1 ...

%e A096162 begins 1 1 2 1 1 6 1 1 2 2 24 ...

%e therefore

%e A178888 begins 1 2 2 3 6 6 4 12 12 24 24 ...

%e with row sums 1,4,15,76,405,2616,18613,151432,1367649...A178887

%Y Cf. A035206, A096162, A178887 (row sums).

%K easy,nonn,tabf

%O 1,2

%A _Alford Arnold_, Jun 21 2010

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Last modified April 19 08:39 EDT 2024. Contains 371782 sequences. (Running on oeis4.)