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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.

A227273 Expansion of 1/((1-x)*(1-4*x)*(1-10*x)*(1-20*x)*(1-35*x)).

Table of values

n a(n)
0 1
1 70
2 3321
3 135450
4 5143341
5 188253030
6 6755426161
7 239789821810
8 8459827013781
9 297439462109790
10 10437310023978201
11 365844613023404970
12 12815338551339471421
13 448752409725746315350
14 15710645734163363925441
15 549958830422813492568930
16 19250283677858902044252261

List of values

[1, 70, 3321, 135450, 5143341, 188253030, 6755426161, 239789821810, 8459827013781, 297439462109790, 10437310023978201, 365844613023404970, 12815338551339471421, 448752409725746315350, 15710645734163363925441, 549958830422813492568930, 19250283677858902044252261]

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

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