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A078603 as a simple table

na(n)
11
20
30
40
52
66
746
8354
93106
1029926
11315862
123628906
1345132474
14604534846
158680957902
16133082437730
172169964347282
1837505486702678
19685046187718022
2013186335387855770
21266816610979894058
225662225862272325550

[1,0,0,0,2,6,46,354,3106,29926,315862,3628906,
 45132474,604534846,8680957902,133082437730,
 2169964347282,37505486702678,685046187718022,
 13186335387855770,266816610979894058,
 5662225862272325550]