A153774 - cp's OEIS frontend

A153774 a(2n) = 3a(2n-1), a(2n+1) = 3a(2n) - 1, with a(1) = 1.

n	a(n)
1	1
2	3
3	8
4	24
5	71
6	213
7	638
8	1914
9	5741
10	17223
11	51668
12	155004
13	465011
14	1395033
15	4185098
16	12555294
17	37665881
18	112997643
19	338992928
20	1016978784
21	3050936351
22	9152809053
23	27458427158
24	82375281474
25	247125844421
26	741377533263
27	2224132599788
28	6672397799364
29	20017193398091

[1, 3, 8, 24, 71, 213, 638, 1914, 5741, 17223, 51668, 155004, 465011, 1395033, 4185098, 12555294, 37665881, 112997643, 338992928, 1016978784, 3050936351, 9152809053, 27458427158, 82375281474, 247125844421, 741377533263, 2224132599788, 6672397799364, 20017193398091]

cp's OEIS Frontend

A153774 a(2n) = 3a(2n-1), a(2n+1) = 3a(2n) - 1, with a(1) = 1.

Table of values

List of values

cp's OEIS Frontend

A153774 a(2*n) = 3*a(2*n-1), a(2*n+1) = 3*a(2*n) - 1, with a(1) = 1.

Table of values

List of values

A153774 a(2n) = 3a(2n-1), a(2n+1) = 3a(2n) - 1, with a(1) = 1.