A100550 - cp's OEIS frontend

A100550 a(n) = a(n-1) + 2a(n-2) + 3a(n-3), for n>3, otherwise a(n) = n.

n	a(n)
0	0
1	1
2	2
3	4
4	11
5	25
6	59
7	142
8	335
9	796
10	1892
11	4489
12	10661
13	25315
14	60104
15	142717
16	338870
17	804616
18	1910507
19	4536349
20	10771211
21	25575430
22	60726899
23	144191392
24	342371480
25	812934961
26	1930252097
27	4583236459
28	10882545536
29	25839774745
30	61354575194

[0, 1, 2, 4, 11, 25, 59, 142, 335, 796, 1892, 4489, 10661, 25315, 60104, 142717, 338870, 804616, 1910507, 4536349, 10771211, 25575430, 60726899, 144191392, 342371480, 812934961, 1930252097, 4583236459, 10882545536, 25839774745, 61354575194]

cp's OEIS Frontend

A100550 a(n) = a(n-1) + 2a(n-2) + 3a(n-3), for n>3, otherwise a(n) = n.

Table of values

List of values

cp's OEIS Frontend

A100550 a(n) = a(n-1) + 2*a(n-2) + 3*a(n-3), for n>3, otherwise a(n) = n.

Table of values

List of values

A100550 a(n) = a(n-1) + 2a(n-2) + 3a(n-3), for n>3, otherwise a(n) = n.