A006178 Witt vector *3!/3!. (Formerly M4451)

1, 7, 93, 1419, 25225, 472037, 9501737, 196190781, 4219610242, 92198459515, 2068590840349, 46897782768404, 1083052539395723, 25199771186287195, 594383312662808405, 14098935496013599680, 337939791145403719897

Offset

1,2

Comments

If c is the Witt transform of b then b(n) = Sum_{d|n} A074650(n/d, c(d)).

References

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

Links

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

H. Gaudier, Relèvement des coefficients binomiaux dans les vecteurs de Witt, Séminaire Lotharingien de Combinatoire. Institut de Recherche Math. Avancée, Université Louis Pasteur, Strasbourg, Actes 16 (1988), 358/S-18, pp. 93-108.

H. Gaudier, Relèvement des coefficients binomiaux dans les vecteurs de Witt, Séminaire Lotharingien de Combinatoire. Institut de Recherche Math. Avancée, Université Louis Pasteur, Strasbourg, Actes 16 (1988), 358/S-18, pp. 93-107. (Annotated scanned copy)

Formula

Witt transform of A029808.

Crossrefs

Sequence in context: A367158 A278687 A292227 * A029808 A089915 A370939

Adjacent sequences: A006175 A006176 A006177 * A006179 A006180 A006181

Keyword

nonn

Author

Simon Plouffe

Extensions

More terms and formula from Christian G. Bower, Aug 28 2002

Status

approved