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A149302 as a simple table

na(n)
01
11
24
311
446
5172
6750
73120
814087
961571
10284436
111281379
126008651
1327633271
14130944600
15611154458
162918673524
1713771848825
1866164267793
19314806106581
201519581215764
217277197766203
2235261251918970
23169741515939425
24825046304792297
253988381669094450
2619436472354360319
2794285252643418217

[1,1,4,11,46,172,750,3120,14087,61571,284436,
 1281379,6008651,27633271,130944600,611154458,
 2918673524,13771848825,66164267793,314806106581,
 1519581215764,7277197766203,35261251918970,
 169741515939425,825046304792297,3988381669094450,
 19436472354360319,94285252643418217]