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A209275 as a simple table

n a(n)
0 1
1 45
2 8193
3 250957
4 3029217
5 21362301
6 106420465
7 415866333
8 1358612097
9 3868151437
10 9876543201
11 23084307885
12 50147947873
13 102436518237
14 198541656657
15 367761728701
16 654820258305
17 1126121592813
18 1877892797377
19 3046610084877

[1,45,8193,250957,3029217,21362301,106420465,
 415866333,1358612097,3868151437,9876543201,
 23084307885,50147947873,102436518237,198541656657,
 367761728701,654820258305,1126121592813,
 1877892797377,3046610084877]

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Last modified May 15 04:57 EDT 2024. Contains 372536 sequences. (Running on oeis4.)