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A213627 as a simple table

na(n)
01
14
26
37
49
56
67
715
812
912
1013
116
1212
1318
1418
1513
1615
1718
1812
1924
2012
2113
2227
2312
2424
2515
2612
2724
2828
2930
3012
3127
3218
3312
3430
3518
3619
3727
3824
3924
4027
4124
4236
4330
4418
4519
4624
4724
4824
4945
5018
5112
5245
5330
5424
5528
5618
5736
5836
5936
6024
6115
6236
6336
6451
6518
6625

[1,4,6,7,9,6,7,15,12,12,13,6,12,18,18,13,15,18,12,
 24,12,13,27,12,24,15,12,24,28,30,12,27,18,12,30,
 18,19,27,24,24,27,24,36,30,18,19,24,24,24,45,18,
 12,45,30,24,28,18,36,36,36,24,15,36,36,51,18,25]