login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A282560 as a simple table

na(n)
10
20
30
40
50
60
70
810
910
100
110
1236
1389
1436
150
160
17154
18618
19618
20154
210
220
23652
244167
256284
264167
27652
280
290
302472
3126278
3273140
3373140
3426278
352472
360
370
389356
39160698
40766472
411381258
42766472
43160698
449356
450
460
4734766
48961128
497774180
5023705784
5123705784

[0,0,0,0,0,0,0,10,10,0,0,36,89,36,0,0,154,618,618,
 154,0,0,652,4167,6284,4167,652,0,0,2472,26278,
 73140,73140,26278,2472,0,0,9356,160698,766472,
 1381258,766472,160698,9356,0,0,34766,961128,
 7774180,23705784,23705784]