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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.

A282930 Expansion of Product_{k>=1} (1 - x^(7*k))^48/(1 - x^k)^49 in powers of x.

Table of values

n a(n)
0 1
1 49
2 1274
3 23275
4 334425
5 4015011
6 41818315
7 387605443
8 3256150548
9 25135003348
10 180196297050
11 1210028211210
12 7663549175191
13 46039891115155
14 263630633610437
15 1444741006154614
16 7604013727493190
17 38554851707435000
18 188824087108333495
19 895363849845490543
20 4119191297378031000
21 18420594133878904635
22 80204828814019528689

List of values

[1, 49, 1274, 23275, 334425, 4015011, 41818315, 387605443, 3256150548, 25135003348, 180196297050, 1210028211210, 7663549175191, 46039891115155, 263630633610437, 1444741006154614, 7604013727493190, 38554851707435000, 188824087108333495, 895363849845490543, 4119191297378031000, 18420594133878904635, 80204828814019528689]

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

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