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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.

A257838 Main diagonal of iterated partial sums array of Fibonacci numbers (starting with the first partial sums).

Table of values

n a(n)
0 0
1 1
2 4
3 16
4 63
5 247
6 967
7 3785
8 14820
9 58060
10 227612
11 892926
12 3505386
13 13770404
14 54129602
15 212904952
16 837885495
17 3299264407
18 12997784803
19 51230474669
20 202014314769
21 796928589755
22 3145066003589
23 12416625685891
24 49037912997003
25 193734379979677
26 765632076098287
27 3026670770970925
28 11968378998073935

List of values

[0, 1, 4, 16, 63, 247, 967, 3785, 14820, 58060, 227612, 892926, 3505386, 13770404, 54129602, 212904952, 837885495, 3299264407, 12997784803, 51230474669, 202014314769, 796928589755, 3145066003589, 12416625685891, 49037912997003, 193734379979677, 765632076098287, 3026670770970925, 11968378998073935]

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

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