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A320286 as a simple table

na(n)
01
11
23
36
413
524
651
793
8184
9343
10654
111211
122286
134217
147865
1514521
1626912
1749600
1891669
19168800
20311305
21573058
221055576
231942437
243575840
256578762
2612106121
2722270404
2840972700
2975367724
30138644224
31255020102
32469095029
33862827347
341587061299
352919111935
365369224903

[1,1,3,6,13,24,51,93,184,343,654,1211,2286,4217,
 7865,14521,26912,49600,91669,168800,311305,573058,
 1055576,1942437,3575840,6578762,12106121,22270404,
 40972700,75367724,138644224,255020102,469095029,
 862827347,1587061299,2919111935,5369224903]