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A287817 as a simple table

n a(n)
0 1
1 9
2 67
3 501
4 3747
5 28025
6 209609
7 1567743
8 11725731
9 87701095
10 655949055
11 4906086571
12 36694443381
13 274451368893
14 2052723708275
15 15353082914309
16 114831408642039
17 858866749063989
18 6423783365292409
19 48045861327359751
20 359352839194448551
21 2687733333725785179

[1,9,67,501,3747,28025,209609,1567743,11725731,
 87701095,655949055,4906086571,36694443381,
 274451368893,2052723708275,15353082914309,
 114831408642039,858866749063989,6423783365292409,
 48045861327359751,359352839194448551,
 2687733333725785179]

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)