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A149433 as a simple table

na(n)
01
11
24
313
446
5160
6590
72165
88150
930606
10116538
11443508
121702458
136538806
1425255218
1597606497
16378655122
171470166114
185723589574
1922300607746
2087061280866
21340147775826
221330975341918
235211699279580
2420431613875778
2580150459987066
26314718467976066
271236491484795006
284861807577614986

[1,1,4,13,46,160,590,2165,8150,30606,116538,
 443508,1702458,6538806,25255218,97606497,
 378655122,1470166114,5723589574,22300607746,
 87061280866,340147775826,1330975341918,
 5211699279580,20431613875778,80150459987066,
 314718467976066,1236491484795006,4861807577614986]