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A030874 as a simple table

n a(n)
1 1
2 2
3 7
4 29
5 148
6 888
7 6221
8 49768
9 447912
10 4479127
11 49270405
12 591244864
13 7686183235
14 107606565290
15 1614098479364
16 25825575669835
17 439034786387205
18 7902626154969693
19 150149896944424184
20 3002997938888483683

[1,2,7,29,148,888,6221,49768,447912,4479127,
 49270405,591244864,7686183235,107606565290,
 1614098479364,25825575669835,439034786387205,
 7902626154969693,150149896944424184,
 3002997938888483683]

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Last modified August 25 01:19 EDT 2024. Contains 375418 sequences. (Running on oeis4.)