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A001311 as a simple table

na(n)
01
16
236
316
496
576
656
736
816
996
1076
1156
1236
1316
1496
1576
1656
1736
1816
1996
2076
2156
2236
2316
2496
2576
2656
2736
2816
2996
3076
3156
3236
3316
3496
3576
3656
3736
3816
3996
4076
4156
4236
4316
4496
4576
4656
4736
4816
4996
5076
5156
5236
5316
5496

[1,6,36,16,96,76,56,36,16,96,76,56,36,16,96,76,56,
 36,16,96,76,56,36,16,96,76,56,36,16,96,76,56,36,
 16,96,76,56,36,16,96,76,56,36,16,96,76,56,36,16,
 96,76,56,36,16,96]