login

A072455 as a simple table

na(n)
11
22
33
44
54
66
77
84
98
109
117
1211
1310
148
1513
1614
179
1811
1916
2010
2117
2218
239
2420
2519
2613
2722
2817
2915
3025
3126
3214
3321
3428
3516
3629
3730
3814
3923
4031
4119
4233
4327
4419
4535
4628
4722
4829
4937
5019
5138
5239
5316
5441
5542
5626
5744
5833
5926
6038
6141
6227
6336
6447
6529
6649
6743
6822
6951
7052
7132
7243
7340
7427

[1,2,3,4,4,6,7,4,8,9,7,11,10,8,13,14,9,11,16,10,
 17,18,9,20,19,13,22,17,15,25,26,14,21,28,16,29,30,
 14,23,31,19,33,27,19,35,28,22,29,37,19,38,39,16,
 41,42,26,44,33,26,38,41,27,36,47,29,49,43,22,51,
 52,32,43,40,27]