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A252584 as a simple table

na(n)
00
11
21
32
49
51241
62298661010
719127219051011953293860241761
88789440239853164630485833302292601093162389737995133605845884014903267053091248194081

[0,1,1,2,9,1241,2298661010,
 19127219051011953293860241761,
 87894402398531646304858333022926010931623897379951\
 33605845884014903267053091248194081]