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A237708 as a simple table

na(n)
00
11
21
34
44
57
66
77
87
910
1010
1116
1213
1316
1416
1519
1616
1722
1822
1928
2025
2128
2227
2328
2428
2534
2628
2734
2834
2937
3034
3143
3240
3346
3443
3546
3646
3752
3846
3952
4049
4152
4249
4352
4452
4561
4655
4767
4863

[0,1,1,4,4,7,6,7,7,10,10,16,13,16,16,19,16,22,22,
 28,25,28,27,28,28,34,28,34,34,37,34,43,40,46,43,
 46,46,52,46,52,49,52,49,52,52,61,55,67,63]