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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.

A386815 Coefficients in q-expansion of E_2^4 * E_4^2, where E_2 and E_4 are respectively the Eisenstein series A006352 and A004009.

Table of values

n a(n)
0 1
1 384
2 19008
3 -3408384
4 86384832
5 390216960
6 -20773815552
7 -154767455232
8 1360271378880
9 30429758560128
10 278226995437440
11 1749537534970368
12 8664534035259648
13 36062711146189056
14 131104383085776384
15 427185615341306880
16 1270776436150340544
17 3499300888293305088
18 9016032242401655616

List of values

[1, 384, 19008, -3408384, 86384832, 390216960, -20773815552, -154767455232, 1360271378880, 30429758560128, 278226995437440, 1749537534970368, 8664534035259648, 36062711146189056, 131104383085776384, 427185615341306880, 1270776436150340544, 3499300888293305088, 9016032242401655616]

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

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