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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.

A359389 Maximal coefficient of Product_{k=1..n} (1 + 2*x^k).

Table of values

n a(n)
0 1
1 2
2 4
3 8
4 16
5 32
6 72
7 176
8 384
9 976
10 2496
11 6560
12 17152
13 45952
14 123520
15 336640
16 920832
17 2526976
18 6979584
19 19379712
20 53966336
21 150892544
22 423132160
23 1190260736
24 3356964864
25 9491228672
26 26889519104
27 76351971328
28 217229369344
29 619159953408
30 1767696515072
31 5054679908352

List of values

[1, 2, 4, 8, 16, 32, 72, 176, 384, 976, 2496, 6560, 17152, 45952, 123520, 336640, 920832, 2526976, 6979584, 19379712, 53966336, 150892544, 423132160, 1190260736, 3356964864, 9491228672, 26889519104, 76351971328, 217229369344, 619159953408, 1767696515072, 5054679908352]

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

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