login

A291073 as a simple table

na(n)
1-1
221
31
41
5221
6221
711
811
911
1011
112221
122221
132221
142221
15111
16211
17111
18211
19111
20211
21111
22211
2312221
2422221
2512221
2622221
2712221
2822221
2912221
3022221
311111
321211
332111
342211
351111
361211
372111
382211
391111
401211
412111
422211
431111
441211
452111

[-1,21,1,1,221,221,11,11,11,11,2221,2221,2221,
 2221,111,211,111,211,111,211,111,211,12221,22221,
 12221,22221,12221,22221,12221,22221,1111,1211,
 2111,2211,1111,1211,2111,2211,1111,1211,2111,2211,
 1111,1211,2111]