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A007678 as a simple table

n a(n)
1 0
2 0
3 1
4 4
5 11
6 24
7 50
8 80
9 154
10 220
11 375
12 444
13 781
14 952
15 1456
16 1696
17 2500
18 2466
19 4029
20 4500
21 6175
22 6820
23 9086
24 9024
25 12926
26 13988
27 17875
28 19180
29 24129
30 21480
31 31900
32 33856
33 41416
34 43792
35 52921
36 52956
37 66675
38 69996
39 82954
40 86800
41 102050

[0,0,1,4,11,24,50,80,154,220,375,444,781,952,1456,
 1696,2500,2466,4029,4500,6175,6820,9086,9024,
 12926,13988,17875,19180,24129,21480,31900,33856,
 41416,43792,52921,52956,66675,69996,82954,86800,
 102050]

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Last modified February 17 22:32 EST 2018. Contains 299297 sequences. (Running on oeis4.)