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A119174 as a simple table

n a(n)
1 6
2 28
3 66
4 666
5 2628
6 228826
7 828828
8 2222886
9 66268828
10 222868828
11 286262628
12 628262628
13 688668828
14 862266628
15 2266226826
16 622686668286628
17 866688628826628
18 68262228626828682628
19 288626826822666288666
20 66288228282628868868828
21 28622882886686262262866288686266

[6,28,66,666,2628,228826,828828,2222886,66268828,
 222868828,286262628,628262628,688668828,862266628,
 2266226826,622686668286628,866688628826628,
 68262228626828682628,288626826822666288666,
 66288228282628868868828,
 28622882886686262262866288686266]

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Last modified April 25 13:02 EDT 2024. Contains 371969 sequences. (Running on oeis4.)