A100683 - cp's OEIS frontend

A100683 a(n) = a(n-1) + a(n-2) + a(n-3); a(0) = -1, a(1) = 2, a(2) = 2.

n	a(n)
0	-1
1	2
2	2
3	3
4	7
5	12
6	22
7	41
8	75
9	138
10	254
11	467
12	859
13	1580
14	2906
15	5345
16	9831
17	18082
18	33258
19	61171
20	112511
21	206940
22	380622
23	700073
24	1287635
25	2368330
26	4356038
27	8012003
28	14736371
29	27104412
30	49852786
31	91693569
32	168650767
33	310197122

[-1, 2, 2, 3, 7, 12, 22, 41, 75, 138, 254, 467, 859, 1580, 2906, 5345, 9831, 18082, 33258, 61171, 112511, 206940, 380622, 700073, 1287635, 2368330, 4356038, 8012003, 14736371, 27104412, 49852786, 91693569, 168650767, 310197122]

cp's OEIS Frontend

A100683 a(n) = a(n-1) + a(n-2) + a(n-3); a(0) = -1, a(1) = 2, a(2) = 2.

Table of values

List of values