A089068 - cp's OEIS frontend

A089068 a(n) = a(n-1)+a(n-2)+a(n-3)+2 with a(0)=0, a(1)=0 and a(2)=1.

n	a(n)
0	0
1	0
2	1
3	3
4	6
5	12
6	23
7	43
8	80
9	148
10	273
11	503
12	926
13	1704
14	3135
15	5767
16	10608
17	19512
18	35889
19	66011
20	121414
21	223316
22	410743
23	755475
24	1389536
25	2555756
26	4700769
27	8646063
28	15902590
29	29249424
30	53798079
31	98950095
32	181997600
33	334745776
34	615693473

[0, 0, 1, 3, 6, 12, 23, 43, 80, 148, 273, 503, 926, 1704, 3135, 5767, 10608, 19512, 35889, 66011, 121414, 223316, 410743, 755475, 1389536, 2555756, 4700769, 8646063, 15902590, 29249424, 53798079, 98950095, 181997600, 334745776, 615693473]

cp's OEIS Frontend

A089068 a(n) = a(n-1)+a(n-2)+a(n-3)+2 with a(0)=0, a(1)=0 and a(2)=1.

Table of values

List of values