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A098613 as a simple table

na(n)
01
11
23
34
47
510
617
723
835
948
1069
1193
12131
13173
14236
15310
16413
17536
18704
19903
201170
211489
221904
232403
243044
253811
264784
275951
287409
299157
3011325
3113912
3217095
3320891
3425519
3531029
3637708
3745632
3855184
3966495
4080050
4196064
42115173
43137680
44164425
45195860

[1,1,3,4,7,10,17,23,35,48,69,93,131,173,236,310,
 413,536,704,903,1170,1489,1904,2403,3044,3811,
 4784,5951,7409,9157,11325,13912,17095,20891,25519,
 31029,37708,45632,55184,66495,80050,96064,115173,
 137680,164425,195860]