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A149026 as a simple table

na(n)
01
11
23
39
439
5137
6623
72441
811359
947521
10224359
11977861
124663291
1320889033
14100338007
15458283489
162213130847
1710255221601
1849728217447
19232997035357
201133494314963
215357336598661
2226131321902595
23124372530000641
24607970318813431
252910173855944909
2614251859249211531
2768541473702526857

[1,1,3,9,39,137,623,2441,11359,47521,224359,
 977861,4663291,20889033,100338007,458283489,
 2213130847,10255221601,49728217447,232997035357,
 1133494314963,5357336598661,26131321902595,
 124372530000641,607970318813431,2910173855944909,
 14251859249211531,68541473702526857]