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A011931 as a simple table

n a(n)
0 0
1 0
2 0
3 0
4 1
5 5
6 17
7 40
8 80
9 144
10 240
11 377
12 565
13 817
14 1144
15 1560
16 2080
17 2720
18 3497
19 4429
20 5537
21 6840
22 8360
23 10120
24 12144
25 14457
26 17085
27 20057
28 23400
29 27144
30 31320
31 35960
32 41097
33 46765
34 53001
35 59840
36 67320
37 75480
38 84360
39 94001
40 104445
41 115737
42 127920
43 141040
44 155144
45 170280
46 186497
47 203845
48 222377
49 242144

[0,0,0,0,1,5,17,40,80,144,240,377,565,817,1144,
 1560,2080,2720,3497,4429,5537,6840,8360,10120,
 12144,14457,17085,20057,23400,27144,31320,35960,
 41097,46765,53001,59840,67320,75480,84360,94001,
 104445,115737,127920,141040,155144,170280,186497,
 203845,222377,242144]

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Last modified February 26 03:53 EST 2024. Contains 370335 sequences. (Running on oeis4.)