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.

A215897 a(n) = A215723(n) / 2^(n-1).

Table of values

n a(n)
1 1
2 0
3 1
4 2
5 3
6 4
7 8
8 18
9 27
10 44
11 267
12 1024
13 3645
14 6144
15 23859
16 50176
17 187377
18 531468
19 3302697
20 10616832
21 39337984
22 102546588
23 568833245
24 3073593600
25 8721488875
26 32998447572
27 164855413835
28 572108938470
29 2490252810073
30 10831449635712
31 68045615234375
32 282773291271138
33 1592413932070703
34 5234078743146888

List of values

[1, 0, 1, 2, 3, 4, 8, 18, 27, 44, 267, 1024, 3645, 6144, 23859, 50176, 187377, 531468, 3302697, 10616832, 39337984, 102546588, 568833245, 3073593600, 8721488875, 32998447572, 164855413835, 572108938470, 2490252810073, 10831449635712, 68045615234375, 282773291271138, 1592413932070703, 5234078743146888]

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

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