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A006888 as a simple table

n a(n)
0 1
1 1
2 1
3 2
4 3
5 5
6 11
7 26
8 81
9 367
10 2473
11 32200
12 939791
13 80570391
14 30341840591
15 75749670168872
16 2444729709746709953
17 2298386861814452020993305
18 185187471463742319884263934176321
19 5618934645754484318302453706799174724040986

[1,1,1,2,3,5,11,26,81,367,2473,32200,939791,
 80570391,30341840591,75749670168872,
 2444729709746709953,2298386861814452020993305,
 185187471463742319884263934176321,
 5618934645754484318302453706799174724040986]

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Last modified November 16 17:02 EST 2019. Contains 329201 sequences. (Running on oeis4.)