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A150261 as a simple table

na(n)
01
12
26
322
487
5360
61539
76656
829519
9131997
10599591
112742867
1212663920
1358792883
14274700270
151288694040
166076057801
1728734777315
18136432700264
19649355428719
203100237524391
2114831679544010
2271131351004963
23341724857266355
241645043242447743
257930615784450314
2638298338467995971
27185178317686261648

[1,2,6,22,87,360,1539,6656,29519,131997,599591,
 2742867,12663920,58792883,274700270,1288694040,
 6076057801,28734777315,136432700264,649355428719,
 3100237524391,14831679544010,71131351004963,
 341724857266355,1645043242447743,7930615784450314,
 38298338467995971,185178317686261648]