login

A276404 as a simple table

na(n)
10
20
30
40
50
60
70
80
91
100
111
120
130
140
150
160
170
180
190
200
210
221
230
240
250
260
270
280
290
300
310
320
331
340
350
360
370
380
390
400
410
420
430
440
450
460
470
480
490
500
510
520
531
540
551
560
571
580
590
600
610
620
630
640
650
661
670
681
690

[0,0,0,0,0,0,0,0,1,0,1,0,0,0,0,0,0,0,0,0,0,1,0,0,
 0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
 0,0,0,1,0,1,0,1,0,0,0,0,0,0,0,0,1,0,1,0]