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A280232 as a simple table

n a(n)
1 15
2 42
3 95
4 678
5 3376
6 16282
7 80825
8 377706
9 1780344
10 8321484
11 38431266
12 177322266
13 812861536
14 3712259660
15 16906747879
16 76738963064
17 347459922194
18 1569637145558
19 7075367986446
20 31833804360316
21 142976818494750
22 641124031114626

[15,42,95,678,3376,16282,80825,377706,1780344,
 8321484,38431266,177322266,812861536,3712259660,
 16906747879,76738963064,347459922194,
 1569637145558,7075367986446,31833804360316,
 142976818494750,641124031114626]

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Last modified June 4 13:10 EDT 2024. Contains 373098 sequences. (Running on oeis4.)