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A003762 as a simple table

na(n)
11
24
316
492
5432
61884
78582
839736
9181936
10829672
113793850
1217366388
1379441576
14363298928
151661695126
167601017276
1734767611570
18159026305464
19727389859704
203327116203688
2115218354613018
2269609219627912

[1,4,16,92,432,1884,8582,39736,181936,829672,
 3793850,17366388,79441576,363298928,1661695126,
 7601017276,34767611570,159026305464,727389859704,
 3327116203688,15218354613018,69609219627912]