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.

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A136792 Row sums of triangle A136791.

Original entry on oeis.org

1, 4, 17, 70, 297, 1342, 6519, 34006, 189647, 1125180, 7070043, 46861668, 326509757, 2384118432, 18194367189, 144769455298, 1198423872693, 10301330797778, 91782832060611, 846291315842738, 8063691844581123, 79290580233274024, 803613726879441863, 8385262925870388104
Offset: 0

Views

Author

Gary W. Adamson, Jan 21 2008

Keywords

Examples

			a(2) = 17 = sum of row 2 terms of triangle A136791: (3 + 5 + 9).
a(2) = 17 = 2* A005493 - 3 = 2*10 - 3.

Crossrefs

Cf. A136791, A005493.

Formula

a(n) = 2*A005493(n) - (n+1).

Extensions

a(9) corrected by Georg Fischer, Jul 27 2024
More terms from Peter Luschny, Jul 27 2024
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Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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