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A269604 as a simple table

n a(n)
1 7
2 49
3 336
4 2298
5 15630
6 105892
7 714874
8 4811578
9 32300252
10 216337084
11 1446056046
12 9648789758
13 64281141440
14 427655897226
15 2841661493142
16 18861464959350
17 125070420653458
18 828618463551536
19 5485481885293294
20 36288577806336542

[7,49,336,2298,15630,105892,714874,4811578,
 32300252,216337084,1446056046,9648789758,
 64281141440,427655897226,2841661493142,
 18861464959350,125070420653458,828618463551536,
 5485481885293294,36288577806336542]

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Last modified September 23 12:20 EDT 2021. Contains 347617 sequences. (Running on oeis4.)