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A113581 as a simple table

na(n)
01
12
23
35
47
511
613
717
819
923
102
114
126
1310
1414
1522
1626
1734
1838
1946
203
216
229
2315
2421
2533
2639
2751
2857
2969
305
3110
3215
3325
3435
3555
3665
3785
3895
39115
407
4114
4221
4335
4449
4577
4691
47119
48133
49161
5011
5122
5233
5355
5477
55121
56143
57187
58209
59253
6013
6126
6239
6365
6491
65143
66169
67221
68247
69299

[1,2,3,5,7,11,13,17,19,23,2,4,6,10,14,22,26,34,38,
 46,3,6,9,15,21,33,39,51,57,69,5,10,15,25,35,55,65,
 85,95,115,7,14,21,35,49,77,91,119,133,161,11,22,
 33,55,77,121,143,187,209,253,13,26,39,65,91,143,
 169,221,247,299]