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A268455 as a simple table

n a(n)
1 7
2 49
3 337
4 2311
5 15816
6 108032
7 736525
8 5012171
9 34047931
10 230889543
11 1563104184
12 10564826628
13 71293105297
14 480355314513
15 3231663192859
16 21709801573961
17 145636117720769
18 975623832619371
19 6526972402359763
20 43608650962250889

[7,49,337,2311,15816,108032,736525,5012171,
 34047931,230889543,1563104184,10564826628,
 71293105297,480355314513,3231663192859,
 21709801573961,145636117720769,975623832619371,
 6526972402359763,43608650962250889]

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Last modified April 23 16:40 EDT 2024. Contains 371916 sequences. (Running on oeis4.)