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A251622 as a simple table

na(n)
11
22
34
46
53
68
79
810
95
1012
1114
127
1316
1418
1515
1620
1721
1822
1911
2024
2126
2213
2328
2430
2525
2627
2733
2836
2932
3034
3117
3238
3319
3440
3535
3642
3739
3844
3945
4046
4123
4248
4350
4451
4552
4654
4756
4849
4958
5029
5160
5255
5357
5463
5566
5662
5731
5864
5968
6070
6165
6272
6369
6474
6537
6676
6778
6875
6980

[1,2,4,6,3,8,9,10,5,12,14,7,16,18,15,20,21,22,11,
 24,26,13,28,30,25,27,33,36,32,34,17,38,19,40,35,
 42,39,44,45,46,23,48,50,51,52,54,56,49,58,29,60,
 55,57,63,66,62,31,64,68,70,65,72,69,74,37,76,78,
 75,80]