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A212661 as a simple table

na(n)
30
40
51
62
74
85
97
109
1112
1216
1320
1423
1526
1630
1735
1841
1948
2052
2157
2263
2370
2478
2587
2693

[0,0,1,2,4,5,7,9,12,16,20,23,26,30,35,41,48,52,57,
 63,70,78,87,93]