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A072668 as a simple table

na(n)
13
25
37
48
59
611
713
814
915
1017
1119
1220
1321
1423
1524
1625
1726
1827
1929
2031
2132
2233
2334
2435
2537
2638
2739
2841
2943
3044
3145
3247
3348
3449
3550
3651
3753
3854
3955
4056
4157
4259
4361
4462
4563
4664
4765
4867
4968
5069
5171
5273
5374
5475
5576
5677
5779
5880
5981
6083
6184
6285
6386
6487
6589
6690
6791
6892
6993
7094
7195

[3,5,7,8,9,11,13,14,15,17,19,20,21,23,24,25,26,27,
 29,31,32,33,34,35,37,38,39,41,43,44,45,47,48,49,
 50,51,53,54,55,56,57,59,61,62,63,64,65,67,68,69,
 71,73,74,75,76,77,79,80,81,83,84,85,86,87,89,90,
 91,92,93,94,95]