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A006774 as a simple table

na(n)
01
10
20
31
40
53
62
712
818
965
10138
11432
121074
133231
148718
1525999
1673650
17220215
18643546
191937877
205783700
2117564727
2253222094
23163009086
24499634508
251542392088
264770925446
2714832934031
2846227584010
29144632622552
30453628244950

[1,0,0,1,0,3,2,12,18,65,138,432,1074,3231,8718,
 25999,73650,220215,643546,1937877,5783700,
 17564727,53222094,163009086,499634508,1542392088,
 4770925446,14832934031,46227584010,144632622552,
 453628244950]