A286307 - cp's OEIS frontend

A286307 a(n) is the numerator of r(n), where r(n) = r(n-1) + r(n-2)/(2*(n-1)) with r(0) = 0, r(1) = 1.

n	a(n)
0	0
1	1
2	1
3	5
4	17
5	151
6	823
7	10631
8	15871
9	1344097
10	12731713
11	266731133
12	3061359593
13	15281334539
14	1030023060151
15	29833932429263
16	461929309281059
17	15229246883432833
18	53257613193371021
19	9845267571825141941
20	191853269052081088769
21	462422990938113014567
22	168922073145947967975799

[0, 1, 1, 5, 17, 151, 823, 10631, 15871, 1344097, 12731713, 266731133, 3061359593, 15281334539, 1030023060151, 29833932429263, 461929309281059, 15229246883432833, 53257613193371021, 9845267571825141941, 191853269052081088769, 462422990938113014567, 168922073145947967975799]

cp's OEIS Frontend

A286307 a(n) is the numerator of r(n), where r(n) = r(n-1) + r(n-2)/(2*(n-1)) with r(0) = 0, r(1) = 1.

Table of values

List of values