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.

A241944 Row sums of triangle A027420.

Original entry on oeis.org

1, 4, 9, 20, 33, 54, 79, 114, 153, 200, 251, 320, 395, 488, 589, 700, 815, 956, 1105, 1284, 1471, 1670, 1879, 2122, 2373, 2642, 2925, 3226, 3537, 3894, 4261, 4672, 5097, 5542, 6005, 6492, 6985, 7534, 8105, 8700, 9307, 9976, 10661, 11408, 12175, 12960, 13769
Offset: 0

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Author

Reinhard Zumkeller, May 02 2014

Keywords

Comments

a(n) = sum(A027420(n,k): k = 0..n).

Programs

  • Haskell
    a241944 = sum . a027420_row