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A148076 as a simple table

na(n)
01
11
22
34
49
521
661
7174
8529
91641
105095
1116033
1253457
13179040
14611600
152114005
167286191
1725434141
1890624740
19324820786
201175997883
214277780903
2215565099278
2357172451188
24211915699815
25789384452140
262957220530771
2711099880354961
2841758569166532
29158093763382620
30601507196523586
312297362832884187

[1,1,2,4,9,21,61,174,529,1641,5095,16033,53457,
 179040,611600,2114005,7286191,25434141,90624740,
 324820786,1175997883,4277780903,15565099278,
 57172451188,211915699815,789384452140,
 2957220530771,11099880354961,41758569166532,
 158093763382620,601507196523586,2297362832884187]