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A178888 Irregular table A035206(n,k)*A096162(n,k), read by rows. 5
1, 2, 2, 3, 6, 6, 4, 12, 12, 24, 24, 5, 20, 20, 60, 60, 120, 120, 6, 30, 30, 30, 120, 120, 120, 360, 360, 720, 720, 7, 42, 42, 42, 210, 210, 210, 210, 840, 840, 840, 2520, 2520, 5040, 5040, 8, 56, 56, 56, 56, 336, 336, 336, 336, 336, 1680, 1680, 1680, 1680, 1680, 6720, 6720, 6720, 20160, 20160 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..64.

EXAMPLE

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

A096162 begins 1 1 2 1 1 6 1 1 2 2 24 ...

therefore

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

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

CROSSREFS

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

Sequence in context: A290734 A093919 A179661 * A068424 A298484 A139359

Adjacent sequences:  A178885 A178886 A178887 * A178889 A178890 A178891

KEYWORD

easy,nonn,tabf

AUTHOR

Alford Arnold, Jun 21 2010

STATUS

approved

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Last modified March 23 05:36 EDT 2019. Contains 321422 sequences. (Running on oeis4.)