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A218805 as a simple table

n a(n)
1 7
2 61
3 481
4 3843
5 30719
6 245509
7 1962145
8 15681787
9 125331399
10 1001668973
11 8005501761
12 63981275411
13 511348785535
14 4086782871861
15 32662235081409
16 261041908504267
17 2086289496897799
18 16673965838688029
19 133261053752673313 

[7,61,481,3843,30719,245509,1962145,15681787,
 125331399,1001668973,8005501761,63981275411,
 511348785535,4086782871861,32662235081409,
 261041908504267,2086289496897799,
 16673965838688029,133261053752673313]

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Last modified August 30 21:24 EDT 2024. Contains 375550 sequences. (Running on oeis4.)