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A097137 as a simple table

na(n)
00
10
21
34
414
544
6135
7408
81228
93688
1011069
1133212
1299642
13298932
14896803
152690416
168071256
1724213776
1872641337
19217924020
20653772070
211961316220
225883948671
2317651846024
2452955538084
25158866614264
26476599842805

[0,0,1,4,14,44,135,408,1228,3688,11069,33212,
 99642,298932,896803,2690416,8071256,24213776,
 72641337,217924020,653772070,1961316220,
 5883948671,17651846024,52955538084,158866614264,
 476599842805]