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”).

A341880 as a simple table

na(n)
161
170
180
190
200
210
220
230
244
250
260
270
280
290
300
310
324
330
340
350
366
370
380
390
404
410
420
430
440
450
460
470
4816
490
500
510
520
530
544
550
564
570
580
590
6012
610
620
630
6410
650
660
670
680
690
700
710
7228
730
740
750
760
770
780
790
8016
811
820
830
8412
850
860
870
884
890
9012
910
920
930
940
950
9640
970
980
990
1006
1010
1020
1030
1044
1050
1060
1070
10828
1090
1100
1110
11216

[1,0,0,0,0,0,0,0,4,0,0,0,0,0,0,0,4,0,0,0,6,0,0,0,
 4,0,0,0,0,0,0,0,16,0,0,0,0,0,4,0,4,0,0,0,12,0,0,0,
 10,0,0,0,0,0,0,0,28,0,0,0,0,0,0,0,16,1,0,0,12,0,0,
 0,4,0,12,0,0,0,0,0,40,0,0,0,6,0,0,0,4,0,0,0,28,0,
 0,0,16]