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A336974 as a simple table

na(n)
10
20
32
40
54
64
711
86
921
1015
1135
1227
1352
1443
1583
1662
17109
1897
19152
20125
21201
22172
23258
24225
25321
26286
27410
28353
29489
30448
31597
32531
33714
34645
35843
36768
37981
38903
391157
401047
411318
421231
431520
441398
451734
461608
471964
481830
492206
502068
512498
522318
532770
542620
553095
562900
573435
583235

[0,0,2,0,4,4,11,6,21,15,35,27,52,43,83,62,109,97,
 152,125,201,172,258,225,321,286,410,353,489,448,
 597,531,714,645,843,768,981,903,1157,1047,1318,
 1231,1520,1398,1734,1608,1964,1830,2206,2068,2498,
 2318,2770,2620,3095,2900,3435,3235]