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A200539 as a simple table

na(n)
01
11
24
312
445
5168
6663
72667
810982
945925
10194732
11834912
123614063
1315771795
1469316740
15306534564
161362986799
176089916936
1827328613142
19123118156260
20556626199974
212524659817449
2211484671681511
2352384730922720
24239534402969925
251097805759803893
265042014405418968

[1,1,4,12,45,168,663,2667,10982,45925,194732,
 834912,3614063,15771795,69316740,306534564,
 1362986799,6089916936,27328613142,123118156260,
 556626199974,2524659817449,11484671681511,
 52384730922720,239534402969925,1097805759803893,
 5042014405418968]