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A267230 as a simple table

n a(n)
1 7
2 49
3 315
4 1981
5 12327
6 76237
7 469623
8 2884909
9 17686215
10 108259885
11 661872471
12 4042575277
13 24671450343
14 150466937773
15 917151735159
16 5587651325485
17 34027698639111
18 207144227712301
19 1260572274312087
20 7668877406965933

[7,49,315,1981,12327,76237,469623,2884909,
 17686215,108259885,661872471,4042575277,
 24671450343,150466937773,917151735159,
 5587651325485,34027698639111,207144227712301,
 1260572274312087,7668877406965933]

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Last modified June 18 04:41 EDT 2021. Contains 345098 sequences. (Running on oeis4.)