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A100506 as a simple table

n a(n)
0 1
1 4
2 15
3 47
4 130
5 330
6 784
7 1765
8 3804
9 7898
10 15880
11 31048
12 59220
13 110484
14 202070
15 362974
16 641368
17 1116325
18 1916184
19 3247088
20 5436972
21 9002752
22 14752316
23 23938188
24 38487496
25 61344055
26 96974176
27 152110204
28 236837795
29 366177506
30 562373990
31 858193804
32 1301654610

[1,4,15,47,130,330,784,1765,3804,7898,15880,31048,
 59220,110484,202070,362974,641368,1116325,1916184,
 3247088,5436972,9002752,14752316,23938188,
 38487496,61344055,96974176,152110204,236837795,
 366177506,562373990,858193804,1301654610]

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Last modified April 23 12:58 EDT 2024. Contains 371913 sequences. (Running on oeis4.)