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A131211 as a simple table

n a(n)
0 -1
1 -1
2 0
3 7
4 33
5 103
6 258
7 559
8 1091
9 1967
10 3332
11 5367
12 8293
13 12375
14 17926
15 25311
16 34951
17 47327
18 62984
19 82535
20 106665
21 136135
22 171786
23 214543
24 265419
25 325519
26 396044
27 478295
28 573677
29 683703
30 809998
31 954303
32 1118479
33 1304511
34 1514512
35 1750727
36 2015537
37 2311463
38 2641170
39 3007471
40 3413331

[-1,-1,0,7,33,103,258,559,1091,1967,3332,5367,
 8293,12375,17926,25311,34951,47327,62984,82535,
 106665,136135,171786,214543,265419,325519,396044,
 478295,573677,683703,809998,954303,1118479,
 1304511,1514512,1750727,2015537,2311463,2641170,
 3007471,3413331]

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Last modified April 19 07:26 EDT 2024. Contains 371782 sequences. (Running on oeis4.)