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A140827 as a simple table

na(n)
01
11
22
33
44
57
611
715
826
941
1056
1197
12153
13209
14362
15571
16780
171351
182131
192911
205042
217953
2210864
2318817
2429681
2540545
2670226
27110771
28151316
29262087
30413403
31564719
32978122
331542841
342107560
353650401
365757961
377865521
3813623482
3921489003
4029354524
4150843527
4280198051
43109552575

[1,1,2,3,4,7,11,15,26,41,56,97,153,209,362,571,
 780,1351,2131,2911,5042,7953,10864,18817,29681,
 40545,70226,110771,151316,262087,413403,564719,
 978122,1542841,2107560,3650401,5757961,7865521,
 13623482,21489003,29354524,50843527,80198051,
 109552575]