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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.

A277639 Double binomial partial sums of A007004.

Table of values

n a(n)
0 1
1 4
2 43
3 718
4 14779
5 344452
6 8725093
7 234594766
8 6596287411
9 192032529388
10 5747827847545
11 175986201591130
12 5490952102178725
13 174077883157001740
14 5594651323154783515
15 181946073109880839450
16 5978730547304013537475
17 198263347772478727193740
18 6628299876919271425393105
19 223211734849614639629628010
20 7566093949269408444819804937

List of values

[1, 4, 43, 718, 14779, 344452, 8725093, 234594766, 6596287411, 192032529388, 5747827847545, 175986201591130, 5490952102178725, 174077883157001740, 5594651323154783515, 181946073109880839450, 5978730547304013537475, 198263347772478727193740, 6628299876919271425393105, 223211734849614639629628010, 7566093949269408444819804937]

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

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