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A240266 as a simple table

n a(n)
1 4
2 7
3 14
4 36
5 72
6 170
7 411
8 879
9 2106
10 4874
11 10808
12 25648
13 58383
14 132428
15 310199
16 704308
17 1615735
18 3746472
19 8529529
20 19647966
21 45277950
22 103456016
23 238430432
24 547803553
25 1255188579
26 2890336834
27 6633676274
28 15225374578
29 35023723614

[4,7,14,36,72,170,411,879,2106,4874,10808,25648,
 58383,132428,310199,704308,1615735,3746472,
 8529529,19647966,45277950,103456016,238430432,
 547803553,1255188579,2890336834,6633676274,
 15225374578,35023723614]

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Last modified January 20 19:53 EST 2020. Contains 331096 sequences. (Running on oeis4.)