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A251221 as a simple table

n a(n)
1 14
2 49
3 171
4 597
5 2084
6 7275
7 25396
8 88654
9 309479
10 1080349
11 3771351
12 13165272
13 45958169
14 160433700
15 560052166
16 1955065729
17 6824867819
18 23824682749
19 83168718156
20 290330652147
21 1013504710004
22 3538006716150
23 12350698916311

[14,49,171,597,2084,7275,25396,88654,309479,
 1080349,3771351,13165272,45958169,160433700,
 560052166,1955065729,6824867819,23824682749,
 83168718156,290330652147,1013504710004,
 3538006716150,12350698916311]

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Last modified January 31 17:49 EST 2023. Contains 359980 sequences. (Running on oeis4.)