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A099515 as a simple table

n a(n)
0 1
1 2
2 5
3 13
4 31
5 78
6 190
7 469
8 1150
9 2825
10 6933
11 17015
12 41754
13 102454
14 251393
15 616826
16 1513453
17 3713389
18 9111087
19 22354678
20 54848638
21 134574493
22 330186518
23 810131889
24 1987705301
25 4876948743
26 11965871650
27 29358946070
28 72033839657

[1,2,5,13,31,78,190,469,1150,2825,6933,17015,
 41754,102454,251393,616826,1513453,3713389,
 9111087,22354678,54848638,134574493,330186518,
 810131889,1987705301,4876948743,11965871650,
 29358946070,72033839657]

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Last modified November 18 04:44 EST 2019. Contains 329248 sequences. (Running on oeis4.)