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A123341 as a simple table

na(n)
11
21
32
43
56
611
722
842
981
10156
11312
12613
131226
142430
154818
169555
1719110
1838064
1976128
20151944
21303275
22605324
231210648
242418866
254832914
269656273
2719293436
2838548808
2977097616
30154119104
31308238208
32616324472
331232345669
342464086014

[1,1,2,3,6,11,22,42,81,156,312,613,1226,2430,4818,
 9555,19110,38064,76128,151944,303275,605324,
 1210648,2418866,4832914,9656273,19293436,38548808,
 77097616,154119104,308238208,616324472,1232345669,
 2464086014]