A213967 - cp's OEIS frontend

A213967 a(n)=n for n<=3; thereafter a(n)=a(n-1)+a(n-2)+a(n-3)+1.

n	a(n)
0	0
1	1
2	2
3	3
4	7
5	13
6	24
7	45
8	83
9	153
10	282
11	519
12	955
13	1757
14	3232
15	5945
16	10935
17	20113
18	36994
19	68043
20	125151
21	230189
22	423384
23	778725
24	1432299
25	2634409
26	4845434
27	8912143
28	16391987
29	30149565
30	55453696
31	101995249
32	187598511
33	345047457
34	634641218
35	1167287187

[0, 1, 2, 3, 7, 13, 24, 45, 83, 153, 282, 519, 955, 1757, 3232, 5945, 10935, 20113, 36994, 68043, 125151, 230189, 423384, 778725, 1432299, 2634409, 4845434, 8912143, 16391987, 30149565, 55453696, 101995249, 187598511, 345047457, 634641218, 1167287187]

cp's OEIS Frontend

A213967 a(n)=n for n<=3; thereafter a(n)=a(n-1)+a(n-2)+a(n-3)+1.

Table of values

List of values