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A207663 as a simple table

n a(n)
1 14
2 196
3 474
4 2774
5 13902
6 55752
7 284272
8 1391724
9 6009486
10 29516206
11 141874800
12 636402740
13 3067035968
14 14596375694
15 66837402334
16 318789501330
17 1508938808590
18 6989272916424
19 33140915653520
20 156401252966536
21 729155025679178

[14,196,474,2774,13902,55752,284272,1391724,
 6009486,29516206,141874800,636402740,3067035968,
 14596375694,66837402334,318789501330,
 1508938808590,6989272916424,33140915653520,
 156401252966536,729155025679178]

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Last modified November 27 03:16 EST 2021. Contains 349345 sequences. (Running on oeis4.)