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A130994 as a simple table

na(n)
00
11
22
33
44
55
67
78
86
99
1010
1113
1211
1312
1417
1518
1621
1722
1820
1916
2019
2114
2215
2323
2424
2525
2626
2727
2836
2934
3033
3128
3229
3335
3430
3531
3632
3745
3846
3948
4049
4150
4258
4359
4463
4564
4662
4757
4861
4954
5055
5144
5247
5356
5460
5553
5642
5751
5837
5938
6043
6152
6240
6341
6439
6565
6666
6768
6869
6967
7070
7171

[0,1,2,3,4,5,7,8,6,9,10,13,11,12,17,18,21,22,20,
 16,19,14,15,23,24,25,26,27,36,34,33,28,29,35,30,
 31,32,45,46,48,49,50,58,59,63,64,62,57,61,54,55,
 44,47,56,60,53,42,51,37,38,43,52,40,41,39,65,66,
 68,69,67,70,71]