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A255213 as a simple table

na(n)
01
11
22
34
45
59
615
721
830
952
1070
11100
12142
13196
14264
15378
16477
17640
18841
191082
201389
211783
222203
232786
243460
254290
265209
276410
287810
299397
3011190
3113501
3216122
3318936
3422374
3526491
3630871
3736211
3841932
3948389
4056703
4165192
4273967
4385947
4498687
45110647

[1,1,2,4,5,9,15,21,30,52,70,100,142,196,264,378,
 477,640,841,1082,1389,1783,2203,2786,3460,4290,
 5209,6410,7810,9397,11190,13501,16122,18936,22374,
 26491,30871,36211,41932,48389,56703,65192,73967,
 85947,98687,110647]