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A136569 as a simple table

n a(n)
-1 1
0 3
1 6
2 10
3 21
4 36
5 61
6 96
7 156
8 232
9 357
10 522
11 768
12 1092
13 1563
14 2174
15 3039
16 4164
17 5695
18 7686
19 10362
20 13792
21 18333
22 24138
23 31706
24 41316
25 53712
26 69348
27 89319
28 114396
29 146114
30 185724
31 235482
32 297252
33 374316
34 469578
35 587646
36 732888
37 911961
38 1131250

[1,3,6,10,21,36,61,96,156,232,357,522,768,1092,
 1563,2174,3039,4164,5695,7686,10362,13792,18333,
 24138,31706,41316,53712,69348,89319,114396,146114,
 185724,235482,297252,374316,469578,587646,732888,
 911961,1131250]

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Last modified December 9 12:25 EST 2016. Contains 278971 sequences.