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A225976 as a simple table

n a(n)
1 4
2 15
3 48
4 138
5 350
6 790
7 1616
8 3049
9 5384
10 9001
11 14376
12 22092
13 32850
14 47480
15 66952
16 92387
17 125068
18 166451
19 218176
20 282078
21 360198
22 454794
23 568352
24 703597
25 863504
26 1051309
27 1270520
28 1524928
29 1818618
30 2155980
31 2541720
32 2980871
33 3478804
34 4041239

[4,15,48,138,350,790,1616,3049,5384,9001,14376,
 22092,32850,47480,66952,92387,125068,166451,
 218176,282078,360198,454794,568352,703597,863504,
 1051309,1270520,1524928,1818618,2155980,2541720,
 2980871,3478804,4041239]

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Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)