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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.

A281970 Number of sets of exactly n positive integers <= n+7 having a square element sum.

Table of values

n a(n)
0 1
1 2
2 6
3 15
4 34
5 71
6 134
7 238
8 405
9 660
10 1030
11 1559
12 2310
13 3336
14 4691
15 6500
16 8886
17 11899
18 15709
19 20584
20 26624
21 33926
22 42974
23 54080
24 67172
25 82800
26 101787
27 124031
28 149660
29 180251
30 216171
31 256730
32 303737
33 359036
34 421356
35 491196
36 572792
37 665539
38 767239
39 883380

List of values

[1, 2, 6, 15, 34, 71, 134, 238, 405, 660, 1030, 1559, 2310, 3336, 4691, 6500, 8886, 11899, 15709, 20584, 26624, 33926, 42974, 54080, 67172, 82800, 101787, 124031, 149660, 180251, 216171, 256730, 303737, 359036, 421356, 491196, 572792, 665539, 767239, 883380]

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

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