A075536 - cp's OEIS frontend

A075536 a(n) = ((1+(-1)^n)T(n+1) + (1-(-1)^n)S(n))/2, where T(n) = tribonacci numbers A000073, S(n) = generalized tribonacci numbers A001644.

n	a(n)
0	0
1	1
2	1
3	7
4	4
5	21
6	13
7	71
8	44
9	241
10	149
11	815
12	504
13	2757
14	1705
15	9327
16	5768
17	31553
18	19513
19	106743
20	66012
21	361109
22	223317
23	1221623
24	755476
25	4132721
26	2555757
27	13980895
28	8646064
29	47297029
30	29249425
31	160004703
32	98950096
33	541292033
34	334745777

[0, 1, 1, 7, 4, 21, 13, 71, 44, 241, 149, 815, 504, 2757, 1705, 9327, 5768, 31553, 19513, 106743, 66012, 361109, 223317, 1221623, 755476, 4132721, 2555757, 13980895, 8646064, 47297029, 29249425, 160004703, 98950096, 541292033, 334745777]

cp's OEIS Frontend

A075536 a(n) = ((1+(-1)^n)T(n+1) + (1-(-1)^n)S(n))/2, where T(n) = tribonacci numbers A000073, S(n) = generalized tribonacci numbers A001644.

Table of values

List of values

cp's OEIS Frontend

A075536 a(n) = ((1+(-1)^n)*T(n+1) + (1-(-1)^n)*S(n))/2, where T(n) = tribonacci numbers A000073, S(n) = generalized tribonacci numbers A001644.

Table of values

List of values

A075536 a(n) = ((1+(-1)^n)T(n+1) + (1-(-1)^n)S(n))/2, where T(n) = tribonacci numbers A000073, S(n) = generalized tribonacci numbers A001644.