A069703 a(n) = n! - n^k where n^(k+1) > n! >= n^k.

0, 0, 3, 8, 95, 504, 2639, 7552, 303831, 2628800, 20429629, 49019904, 5411290079, 66517244416, 731023977375, 3330603843584, 321415531788367, 5245542324301824, 79592116946574941, 794502008176640000

Offset

1,3

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..200

Mathematica

f[n_] := Block[{k = 0}, While[(n! - n^k) >= 0, k++ ]; Return[n! - n^(k - 1)]]; Table[ f[n], {n, 2, 22}]

Crossrefs

Sequence in context: A079657 A136309 A266671 * A114737 A233163 A281709

Adjacent sequences: A069700 A069701 A069702 * A069704 A069705 A069706

Keyword

nonn

Author

Amarnath Murthy, Apr 07 2002

Extensions

Edited and extended by Robert G. Wilson v, Apr 08 2002

Status

approved