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A212265 as a simple table

na(n)
01
12
23
37
421
551
6138
7358
8969
92735
107514
1121372
1260144
13171510
14485294
151388586
163949211
1711296953
1832294750
1992471813
20265484354
21762548923
222194099432
236318266076
2418214160616
2552525201261
26151638570041
27437959067720
281265890334086
293661612407681

[1,2,3,7,21,51,138,358,969,2735,7514,21372,60144,
 171510,485294,1388586,3949211,11296953,32294750,
 92471813,265484354,762548923,2194099432,
 6318266076,18214160616,52525201261,151638570041,
 437959067720,1265890334086,3661612407681]