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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.

A172382 Diagonal sums of number triangle A172380.

Original entry on oeis.org

1, 0, 1, 1, 3, 8, 25, 84, 301, 1139, 4528, 18849, 81968, 371622, 1753164, 8589608, 43624741, 229255133, 1244544545, 6968765313, 40195073827, 238527741350, 1454722738679, 9108812009826, 58503226812174, 385086101416594
Offset: 0

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Author

Paul Barry, Feb 01 2010

Keywords

Comments

a(n+2) gives the diagonal sums of A172381.

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