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A256221 as a simple table

na(n)
11
22
33
44
55
66
78
88
98
1012
1112
1213
1313
1413
1513
1615
1715
1815
1917
2017
2117
2219
2321
2421
2523
2624
2725
2825
2925
3025
3125
3227

[1,2,3,4,5,6,8,8,8,12,12,13,13,13,13,15,15,15,17,
 17,17,19,21,21,23,24,25,25,25,25,25,27]