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A098405 as a simple table

n a(n)
0 1
1 7
2 47
3 327
4 2343
5 17127
6 126951
7 950631
8 7173991
9 54471527
10 415652711
11 3184708455
12 24485137255
13 188802730855
14 1459525454695
15 11307626564455
16 87775235181415
17 682523302202215
18 5315297718995815
19 41450938169985895
20 323653082644384615
21 2529960757626047335

[1,7,47,327,2343,17127,126951,950631,7173991,
 54471527,415652711,3184708455,24485137255,
 188802730855,1459525454695,11307626564455,
 87775235181415,682523302202215,5315297718995815,
 41450938169985895,323653082644384615,
 2529960757626047335]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)