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A274523 as a simple table

n a(n)
0 1
1 0
2 0
3 0
4 1
5 2
6 5
7 8
8 14
9 20
10 30
11 40
12 55
13 70
14 91
15 112
16 141
17 170
18 209
19 250
20 305
21 364
22 444
23 534
24 655
25 796
26 984
27 1208
28 1504
29 1860
30 2322
31 2882
32 3597
33 4460
34 5546
35 6852
36 8471
37 10406
38 12773
39 15584
40 18984
41 22994
42 27794
43 33422
44 40099
45 47882
46 57046
47 67676
48 80111

[1,0,0,0,1,2,5,8,14,20,30,40,55,70,91,112,141,170,
 209,250,305,364,444,534,655,796,984,1208,1504,
 1860,2322,2882,3597,4460,5546,6852,8471,10406,
 12773,15584,18984,22994,27794,33422,40099,47882,
 57046,67676,80111]

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)