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A187954 as a simple table

na(n)
01
11
23
31
40
55
61
70
80
97
101
113
120
130
149
151
160
170
180
190
2011
211
220
230
240
250
260
2713
281
293
305
310
320
330
340
3515
361
370
380
390
400
410
420
430
4417
450
460
470
480
490
500
510
520
5319
541
553
560
577
580
590
600
610
620
630
6421

[1,1,3,1,0,5,1,0,0,7,1,3,0,0,9,1,0,0,0,0,11,1,0,0,
 0,0,0,13,1,3,5,0,0,0,0,15,1,0,0,0,0,0,0,0,17,0,0,
 0,0,0,0,0,0,19,1,3,0,7,0,0,0,0,0,0,21]