login

A177862 as a simple table

na(n)
01
12
23
34
44
56
67
75
88
99
1010
1111
126
1310
1412
1513
1614
1715
1816
197
2012
2115
2216
2317
2418
2519
2620
2721
2822

[1,2,3,4,4,6,7,5,8,9,10,11,6,10,12,13,14,15,16,7,
 12,15,16,17,18,19,20,21,22]