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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.

A055740 Sum of fourth powers of coefficients in full expansion of (z1+z2+...+zn)^n.

Table of values

n a(n)
0 1
1 1
2 18
3 1785
4 591460
5 495872505
6 882463317636
7 2956241639184631
8 17088644286346128840
9 159584255348964655673745
10 2286523844910576580400966980
11 48220116744252542032928364578451
12 1446485887751234540636003724054342864
13 59981372975740557234356339667492583487125

List of values

[1, 1, 18, 1785, 591460, 495872505, 882463317636, 2956241639184631, 17088644286346128840, 159584255348964655673745, 2286523844910576580400966980, 48220116744252542032928364578451, 1446485887751234540636003724054342864, 59981372975740557234356339667492583487125]

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

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