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A179236 Irregular triangle T(n,k) = A096162(n,k)* A036040(n,k)* A048996(n,k)*A098546(n,k)* A178886(n,k) read by rows, 1<=k<=A000041(n). 1
1, 2, 2, 6, 36, 6, 24, 192, 72, 432, 24, 120, 1200, 2400, 3600, 5400, 4800, 120, 720, 8640, 21600, 7200, 32400, 259200, 10800, 57600, 194400, 54000, 720, 5040, 70560, 211680, 352800, 317520, 3175200, 1058400, 1587600, 705600, 12700800, 2116800, 882000, 5292000, 635040, 5040, 40320, 645120, 2257920, 4515840 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..48.

EXAMPLE

The factor sequences begin

1..1..2..1..1..6

1..1..1..1..3..1

1..1..1..1..2..1

1..2..1..3..3..1

1..1..1..2..2..1

so the present sequence begins

1..2..2..6..36..6

CROSSREFS

Cf. A000041 (row lengths) A096161 A000110 A000079 A098545 A000522 A179235 (row sums)

Sequence in context: A003308 A180069 A032185 * A002027 A290957 A032117

Adjacent sequences:  A179233 A179234 A179235 * A179237 A179238 A179239

KEYWORD

easy,nonn,tabf

AUTHOR

Alford Arnold, Jul 04 2010

STATUS

approved

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Last modified February 28 08:22 EST 2020. Contains 332322 sequences. (Running on oeis4.)