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A094271 First column of triangle A094270. Equals A094272(n)-(n-1). 5
1, 2, 4, 7, 12, 47, 1170, 687371, 236241851618, 2197451321740962081109754668237121, 2414396155710550624720051944524837499100253655538086242554948251365 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Martin Fuller, Table of n, a(n) for n = 1..12

FORMULA

a(n)=A094270(n,1). - R. J. Mathar, Jun 23 2006

EXAMPLE

Product of the terms of the 4th row = 7*8*9*10 = 5040. Product of the terms of the 5th row = 12*13*14*15*16 = 524160 = 104*5040.

CROSSREFS

Cf. A094270, A094272, A094273, A094274.

Sequence in context: A079800 A217595 A280028 * A194422 A177101 A018414

Adjacent sequences:  A094268 A094269 A094270 * A094272 A094273 A094274

KEYWORD

nonn

AUTHOR

Amarnath Murthy, Apr 27 2004

EXTENSIONS

More terms from R. J. Mathar, Jun 23 2006

Edited by Martin Fuller, Jun 13 2007

STATUS

approved

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Last modified October 17 22:31 EDT 2019. Contains 328134 sequences. (Running on oeis4.)