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A217525 as a simple table

na(n)
00
10
20
30
40
52
64
76
815
931
1067
11155
12343
13787
141829
154233
169940
1723454
1855540
19132390
20316704
21760462
221833050
234431552
2410745282
2526125316
2663672044
27155536070
28380739734
29933832952
302294581836
315647750518
3213923153431
3334375447863
3484989987987
35210407135915
36521547749731
371294310608775
383215632551785
397997467696213
4019910095233857

[0,0,0,0,0,2,4,6,15,31,67,155,343,787,1829,4233,
 9940,23454,55540,132390,316704,760462,1833050,
 4431552,10745282,26125316,63672044,155536070,
 380739734,933832952,2294581836,5647750518,
 13923153431,34375447863,84989987987,210407135915,
 521547749731,1294310608775,3215632551785,
 7997467696213,19910095233857]