login

A278880 as a simple table

na(n)
11
21
31
41
55
61
71
814
914
101
111
1230
1381
1430
151
161
1755
18308
19308
2055
211
221
2391
24910
251872
26910
2791
281
291
30140
312268
328250
338250
342268
35140
361
371
38204
394998
4029172
4151425
4229172
434998
44204
451
461
47285
4810032
4987780
50247247
51247247
5287780
5310032
54285
551
561
57385
5818711
59233376
60980980
611565109
62980980
63233376
6418711
65385
661
671
68506
6932890
70562419
713354780
727970144
737970144
743354780
75562419
7632890
77506
781

[1,1,1,1,5,1,1,14,14,1,1,30,81,30,1,1,55,308,308,
 55,1,1,91,910,1872,910,91,1,1,140,2268,8250,8250,
 2268,140,1,1,204,4998,29172,51425,29172,4998,204,
 1,1,285,10032,87780,247247,247247,87780,10032,285,
 1,1,385,18711,233376,980980,1565109,980980,233376,
 18711,385,1,1,506,32890,562419,3354780,7970144,
 7970144,3354780,562419,32890,506,1]