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A215331 as a simple table

n a(n)
0 1
1 5
2 9
3 16
4 35
5 76
6 190
7 455
8 1156
9 2911
10 7438
11 18992
12 48902
13 125968
14 325975
15 845202
16 2197690
17 5725854
18 14951308
19 39110371
20 102490649
21 269002564
22 707096093
23 1861183847
24 4905172383
25 12942843424

[1,5,9,16,35,76,190,455,1156,2911,7438,18992,
 48902,125968,325975,845202,2197690,5725854,
 14951308,39110371,102490649,269002564,707096093,
 1861183847,4905172383,12942843424]

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Last modified November 18 02:07 EST 2019. Contains 329242 sequences. (Running on oeis4.)