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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.

A335903 Column 1 in the matrix of A279212 (whose indexing starts at 0).

Table of values

n a(n)
1 2
2 6
3 15
4 37
5 88
6 204
7 464
8 1040
9 2304
10 5056
11 11008
12 23808
13 51200
14 109568
15 233472
16 495616
17 1048576
18 2211840
19 4653056
20 9764864
21 20447232
22 42729472
23 89128960
24 185597952
25 385875968
26 801112064
27 1660944384
28 3439329280
29 7113539584
30 14696841216
31 30333206528
32 62545461248
33 128849018880
34 265214230528
35 545460846592

List of values

[2, 6, 15, 37, 88, 204, 464, 1040, 2304, 5056, 11008, 23808, 51200, 109568, 233472, 495616, 1048576, 2211840, 4653056, 9764864, 20447232, 42729472, 89128960, 185597952, 385875968, 801112064, 1660944384, 3439329280, 7113539584, 14696841216, 30333206528, 62545461248, 128849018880, 265214230528, 545460846592]

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

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