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.

A204451 2*A014335 - A203578. Difference of the exponential convolution of A000045 (Fibonacci) with itself and the corresponding exponential half-convolution.

Table of values

n a(n)
0 0
1 0
2 0
3 3
4 8
5 35
6 75
7 371
8 888
9 3891
10 9445
11 40755
12 102323
13 426803
14 1091167
15 4469555
16 11625960
17 46805811
18 123364443
19 490156851
20 1306737465
21 5132989235
22 13816838695
23 53753361203
24 145912841523
25 562912506675
26 1539304050375
27 5894896300851
28 16225419029303
29 61732155503411
30 170909837010835

List of values

[0, 0, 0, 3, 8, 35, 75, 371, 888, 3891, 9445, 40755, 102323, 426803, 1091167, 4469555, 11625960, 46805811, 123364443, 490156851, 1306737465, 5132989235, 13816838695, 53753361203, 145912841523, 562912506675, 1539304050375, 5894896300851, 16225419029303, 61732155503411, 170909837010835]

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

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