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A005994 as a simple table

n a(n)
0 1
1 3
2 9
3 19
4 38
5 66
6 110
7 170
8 255
9 365
10 511
11 693
12 924
13 1204
14 1548
15 1956
16 2445
17 3015
18 3685
19 4455
20 5346
21 6358
22 7514
23 8814
24 10283
25 11921
26 13755
27 15785
28 18040
29 20520
30 23256
31 26248
32 29529
33 33099
34 36993
35 41211
36 45790
37 50730
38 56070
39 61810
40 67991

[1,3,9,19,38,66,110,170,255,365,511,693,924,1204,
 1548,1956,2445,3015,3685,4455,5346,6358,7514,8814,
 10283,11921,13755,15785,18040,20520,23256,26248,
 29529,33099,36993,41211,45790,50730,56070,61810,
 67991]

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Last modified February 17 16:26 EST 2018. Contains 299296 sequences. (Running on oeis4.)