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A077168 Triangle formed by grouping the natural numbers so that the n-th group contains n numbers whose product is a factorial. 3
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 259200, 15, 16, 17, 18, 19, 87178291200, 20, 21, 22, 23, 24, 25, 202741834014720, 26, 27, 28, 29, 30, 31, 32, 484725313854093312000000, 33, 34, 35, 36, 37, 38, 39, 40 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
EXAMPLE
Triangle begins:
1
2 3
4 5 6
7 8 9 10
11 12 13 14 259200
15 16 17 18 19 87178291200
CROSSREFS
Sequence in context: A044916 A065672 A065673 * A195099 A195098 A102452
KEYWORD
nonn,tabl
AUTHOR
Amarnath Murthy, Nov 01 2002
EXTENSIONS
More terms from Sascha Kurz, Feb 10 2003
STATUS
approved

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Last modified July 23 06:59 EDT 2024. Contains 374544 sequences. (Running on oeis4.)