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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
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
KEYWORD
easy,nonn,tabf
AUTHOR
Alford Arnold, Jul 04 2010
STATUS
approved

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Last modified March 19 03:17 EDT 2024. Contains 370952 sequences. (Running on oeis4.)