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”).

A249772 as a simple table

na(n)
10
20
30
40
51
60
72
80
90
101
1110
120
1312
142
151
160
1716
180
199
201
212
2210
2311
240
255
2612
270
282
2914
301
316
320
3310
3416
352
360
374
389
3912
401
4140
422
433
4410
451
4611
4723
480
4914
505
5116
5212
5326
540
5510
562
579
5814
5958
601
6160
626
632
640
6512
6610
6733
6816
6911
702
7135
720
7336
744
755
769
7710
7812
7978
801
810
8240
8382
842
8516

[0,0,0,0,1,0,2,0,0,1,10,0,12,2,1,0,16,0,9,1,2,10,
 11,0,5,12,0,2,14,1,6,0,10,16,2,0,4,9,12,1,40,2,3,
 10,1,11,23,0,14,5,16,12,26,0,10,2,9,14,58,1,60,6,
 2,0,12,10,33,16,11,2,35,0,36,4,5,9,10,12,78,1,0,
 40,82,2,16]