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A048509 as a simple table

n a(n)
0 1
1 26
2 87
3 233
4 577
5 1377
6 3217
7 7409
8 16881
9 38129
10 85489
11 190449
12 421873
13 929777
14 2039793
15 4456433
16 9699313
17 21037041
18 45481969
19 98041841
20 210763761
21 451936241
22 966787057
23 2063597553
24 4395630577
25 9344909297
26 19830669297
27 42010148849
28 88852135921

[1,26,87,233,577,1377,3217,7409,16881,38129,85489,
 190449,421873,929777,2039793,4456433,9699313,
 21037041,45481969,98041841,210763761,451936241,
 966787057,2063597553,4395630577,9344909297,
 19830669297,42010148849,88852135921]

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Last modified June 9 14:22 EDT 2024. Contains 373244 sequences. (Running on oeis4.)