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A277762 as a simple table

na(n)
10
24
317
4330
53666
646289
7560809
86883464
984161576
101030163755
1112605295745
12154256946272
131887655962034
1423099627259711
15282674025688925
163459132503499606
1742330011144976582
18517999809756567289

[0,4,17,330,3666,46289,560809,6883464,84161576,
 1030163755,12605295745,154256946272,1887655962034,
 23099627259711,282674025688925,3459132503499606,
 42330011144976582,517999809756567289]