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A006778 as a simple table

n a(n)
1 1
2 3
3 7
4 15
5 31
6 59
7 110
8 198
9 347
10 592
11 997
12 1641
13 2666
14 4266
15 6741
16 10525
17 16268
18 24882
19 37717
20 56683
21 84504
22 125031
23 183716
24 268125
25 388873
26 560647
27 803723
28 1146013
29 1625731
30 2294964
31 3224588
32 4510552
33 6282295
34 8714035
35 12039319
36 16570278
37 22723025

[1,3,7,15,31,59,110,198,347,592,997,1641,2666,
 4266,6741,10525,16268,24882,37717,56683,84504,
 125031,183716,268125,388873,560647,803723,1146013,
 1625731,2294964,3224588,4510552,6282295,8714035,
 12039319,16570278,22723025]

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