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A304880 as a simple table

na(n)
00
11
21
32
43
51
65
72
83
96
102
112
123
1312
145
159
169
171
187
195
208
218
2220
2316
244
2513
2625
2722
2811
292
3018
3118
3223
3327
3433
3529
3627
3723
383
3937
4032
4132
4222
4337
4437
4541
4641
4720
4819
4933
501
5150
5217
5352
5438
556
565
5713
5823
5955
6025
6123
628
6362
6447
6520
6619
672
6827
6937
7057
7155

[0,1,1,2,3,1,5,2,3,6,2,2,3,12,5,9,9,1,7,5,8,8,20,
 16,4,13,25,22,11,2,18,18,23,27,33,29,27,23,3,37,
 32,32,22,37,37,41,41,20,19,33,1,50,17,52,38,6,5,
 13,23,55,25,23,8,62,47,20,19,2,27,37,57,55]