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.

A084785 Diagonal of the triangle (A084783) and the self-convolution of the first column (A084784).

Table of values

n a(n)
0 1
1 2
2 5
3 16
4 66
5 348
6 2298
7 18504
8 176841
9 1958746
10 24661493
11 347548376
12 5415830272
13 92410046544
14 1712819553864
15 34258146124320
16 735267392077962
17 16852848083339700
18 410809882438699346
19 10611174406149372736
20 289493459925589039804
21 8317946739043065421640

List of values

[1, 2, 5, 16, 66, 348, 2298, 18504, 176841, 1958746, 24661493, 347548376, 5415830272, 92410046544, 1712819553864, 34258146124320, 735267392077962, 16852848083339700, 410809882438699346, 10611174406149372736, 289493459925589039804, 8317946739043065421640]

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

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