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A008640 as a simple table

na(n)
01
11
22
33
45
57
611
715
822
930
1042
1156
1276
1399
14131
15169
16219
17278
18355
19445
20560
21695
22863
231060
241303
251586
261930
272331
282812
293370
304035
314802
325708
336751
347972
359373
3611004
3712866
3815021
3917475
4020298
4123501
4227169
4331316
4436043
4541373
4647420
4754218
4861903
4970515
5080215
5191058
52103226
53116792
54131970
55148847

[1,1,2,3,5,7,11,15,22,30,42,56,76,99,131,169,219,
 278,355,445,560,695,863,1060,1303,1586,1930,2331,
 2812,3370,4035,4802,5708,6751,7972,9373,11004,
 12866,15021,17475,20298,23501,27169,31316,36043,
 41373,47420,54218,61903,70515,80215,91058,103226,
 116792,131970,148847]