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A149205 as a simple table

na(n)
01
11
24
310
440
5129
6537
71933
88328
931833
10140729
11559013
122518826
1310280324
1446991877
15195714236
16904660544
173827438751
1817850086730
1976473277330
20359252690128
211554944844436
227349047127951
2332080478571693
24152395736480523
25670039535488503
263196878057937120
2714142253394919290

[1,1,4,10,40,129,537,1933,8328,31833,140729,
 559013,2518826,10280324,46991877,195714236,
 904660544,3827438751,17850086730,76473277330,
 359252690128,1554944844436,7349047127951,
 32080478571693,152395736480523,670039535488503,
 3196878057937120,14142253394919290]