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A003778 as a simple table

na(n)
11
222
3132
41006
54324
626996
7109722
8602804
92434670
1012287118
1149852352
12237425498
13969300694
144434629912
1518203944458
1680978858522
17333840165288
181456084764388
196021921661718
2025904211802080

[1,22,132,1006,4324,26996,109722,602804,2434670,
 12287118,49852352,237425498,969300694,4434629912,
 18203944458,80978858522,333840165288,
 1456084764388,6021921661718,25904211802080]