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A025207 as a simple table

n a(n)
3 0
4 0
5 1
6 3
7 5
8 9
9 15
10 22
11 31
12 42
13 55
14 71
15 88
16 108
17 131
18 157
19 185
20 216
21 249
22 286
23 326
24 369
25 415
26 464
27 516
28 572
29 632
30 694
31 760
32 830
33 903
34 980
35 1060
36 1144
37 1232
38 1323
39 1418
40 1517
41 1620
42 1727
43 1837
44 1952
45 2070
46 2192
47 2319
48 2449
49 2584
50 2722
51 2865
52 3011
53 3162
54 3317
55 3476
56 3639
57 3807

[0,0,1,3,5,9,15,22,31,42,55,71,88,108,131,157,185,
 216,249,286,326,369,415,464,516,572,632,694,760,
 830,903,980,1060,1144,1232,1323,1418,1517,1620,
 1727,1837,1952,2070,2192,2319,2449,2584,2722,2865,
 3011,3162,3317,3476,3639,3807]

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Last modified October 14 01:36 EDT 2019. Contains 327994 sequences. (Running on oeis4.)