A006888 - cp's OEIS frontend

A006888 a(n) = a(n-1) + a(n-2)*a(n-3) for n > 2 with a(0) = a(1) = a(2) = 1.

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]

cp's OEIS Frontend

A006888 a(n) = a(n-1) + a(n-2)*a(n-3) for n > 2 with a(0) = a(1) = a(2) = 1.

Table of values

List of values