login

A162505 as a simple table

na(n)
01
14
210
319
431
546
663
781
899
9116
10131
11143
12151
13154
14151
15143
16131
17116
1899
1981
2063
2146
2231
2319
2410
254
261

[1,4,10,19,31,46,63,81,99,116,131,143,151,154,151,
 143,131,116,99,81,63,46,31,19,10,4,1]