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.

A280760 Index of first occurrence of n in A280055.

Original entry on oeis.org

1, 2, 5, 16, 58, 440, 17281, 16049141, 8010046523646
Offset: 1

Views

Author

N. J. A. Sloane, Jan 08 2017

Keywords

Crossrefs

Cf. A280055, A008578.

Formula

a(n) = a(n-1) + {sum of members of A008578 <= a(n-1)}. - Charlie Neder, Jun 14 2019

Extensions

a(7)-a(9) from Lars Blomberg, Jan 11 2017

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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