A108135 Least number (n+1)(n+2)(n+3)...(n+k) >= n^n.

2, 12, 120, 1680, 30240, 55440, 1235520, 32432400, 17643225600, 33522128640, 1279935820800, 1295295050649600, 2490952020480000, 124903451312640000, 6761440164390912000, 12576278705767096320000, 24412776311194951680000

Offset

1,1

Links

Table of n, a(n) for n=1..17.

Maple

a:=proc(n) local S, k: S:={}: for k from 1 to n do if product(n+i, i=1..k)>n^n then S:=S union {product(n+i, i=1..k)} else S:=S fi: od; S[1]: end: seq(a(n), n=1..20); # Emeric Deutsch, Aug 03 2005

Crossrefs

Cf. A108141.

Sequence in context: A226758 A214770 A081470 * A097388 A001813 A215188

Adjacent sequences: A108132 A108133 A108134 * A108136 A108137 A108138

Keyword

nonn

Author

Amarnath Murthy, Jul 23 2005

Extensions

More terms from Emeric Deutsch, Aug 03 2005

Status

approved