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A011972 as a simple table

n a(n)
0 1
1 2
2 3
3 5
4 7
5 10
6 15
7 20
8 27
9 37
10 52
11 67
12 87
13 114
14 151
15 203
16 255
17 322
18 409
19 523
20 674
21 877
22 1080
23 1335
24 1657
25 2066
26 2589
27 3263
28 4140
29 5017
30 6097
31 7432
32 9089
33 11155
34 13744
35 17007
36 21147
37 25287
38 30304
39 36401
40 43833
41 52922
42 64077
43 77821
44 94828

[1,2,3,5,7,10,15,20,27,37,52,67,87,114,151,203,
 255,322,409,523,674,877,1080,1335,1657,2066,2589,
 3263,4140,5017,6097,7432,9089,11155,13744,17007,
 21147,25287,30304,36401,43833,52922,64077,77821,
 94828]

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Last modified September 19 05:24 EDT 2024. Contains 376004 sequences. (Running on oeis4.)