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A025644 as a simple table

na(n)
10
21
32
40
53
61
74
82
90
105
113
121
136
144
152
160
177
185
193
201
218
226
234
242
250
269
277
285
293
301
3110
328
336
344
352
360
3711
389
397
405
413
421
4312
4410
458
466
474
482
490
5013
5111
529
537
545
553
561
5714
5812
5910
608
616
624
632
640
6515
6613
6711
689
697
705
713
721
7316
7414
7512
7610
778
786
794
802
810
8217
8315
8413
8511
869
877
885
893
901
9118
9216
9314
9412
9510

[0,1,2,0,3,1,4,2,0,5,3,1,6,4,2,0,7,5,3,1,8,6,4,2,
 0,9,7,5,3,1,10,8,6,4,2,0,11,9,7,5,3,1,12,10,8,6,4,
 2,0,13,11,9,7,5,3,1,14,12,10,8,6,4,2,0,15,13,11,9,
 7,5,3,1,16,14,12,10,8,6,4,2,0,17,15,13,11,9,7,5,3,
 1,18,16,14,12,10]