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A266648 as a simple table

na(n)
01
11
22
34
46
59
615
721
831
946
1064
1189
12126
13170
14231
15314
16417
17552
18733
19955
201244
211617
222079
232665
243413
254331
265485
276931
288704
2910901
3013629
3116949
3221033
3326045
3432123
3539529
3648553
3759429
3872599
3988518
40107624
41130599
42158209
43191175
44230611
45277717
46333730
47400375
48479598
49573386
50684481

[1,1,2,4,6,9,15,21,31,46,64,89,126,170,231,314,
 417,552,733,955,1244,1617,2079,2665,3413,4331,
 5485,6931,8704,10901,13629,16949,21033,26045,
 32123,39529,48553,59429,72599,88518,107624,130599,
 158209,191175,230611,277717,333730,400375,479598,
 573386,684481]