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A143963 as a simple table

n a(n)
0 0
1 1
2 3
3 6
4 10
5 15
6 22
7 35
8 64
9 129
10 265
11 528
12 1002
13 1807
14 3108
15 5125
16 8144
17 12529
18 18735
19 27322
20 38970
21 54495
22 74866
23 101223
24 134897
25 177450
26 230906
27 299313
28 397621
29 594210
30 1188015
31 3366352
32 11425020
33 39675229
34 132473639
35 418849690
36 1253626158
37 3564792787

[0,1,3,6,10,15,22,35,64,129,265,528,1002,1807,
 3108,5125,8144,12529,18735,27322,38970,54495,
 74866,101223,134897,177450,230906,299313,397621,
 594210,1188015,3366352,11425020,39675229,
 132473639,418849690,1253626158,3564792787]

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Last modified June 17 15:13 EDT 2024. Contains 373448 sequences. (Running on oeis4.)