cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A006178 Witt vector *3!/3!.

Original entry on oeis.org

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

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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).

Formula

Witt transform of A029808.

Extensions

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