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A017713 as a simple table

n a(n)
49 1
50 50
51 1275
52 22100
53 292825
54 3162510
55 28989675
56 231917400
57 1652411475
58 10648873950
59 62828356305
60 342700125300
61 1742058970275
62 8308281242850
63 37387265592825
64 159518999862720
65 648045936942300
66 2515943049305400

[1,50,1275,22100,292825,3162510,28989675,
 231917400,1652411475,10648873950,62828356305,
 342700125300,1742058970275,8308281242850,
 37387265592825,159518999862720,648045936942300,
 2515943049305400]

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Last modified April 16 14:51 EDT 2024. Contains 371749 sequences. (Running on oeis4.)