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A004138 as a simple table

na(n)
11
22
33
48
513
624
737
866
9107
10186
11303
12516
13849
141436
152377
163998
176639
1811134
1918531
2031024
2151701
2286464
23144205
24241018
25402163
26671906
271121463
281873244
293127129
305222724
318719537
3214561622
3324312695
3440600230
3567790379
36113201160
37189016701
38315627944
39527024245
40880037810
411469467515

[1,2,3,8,13,24,37,66,107,186,303,516,849,1436,
 2377,3998,6639,11134,18531,31024,51701,86464,
 144205,241018,402163,671906,1121463,1873244,
 3127129,5222724,8719537,14561622,24312695,
 40600230,67790379,113201160,189016701,315627944,
 527024245,880037810,1469467515]