A023497 - cp's OEIS frontend

A023497 a(n) = b(n) + d(n), where b(n) = (n-th Lucas number > 3) and d(n) = (n-th number that is 1 or is not a Lucas number).

n	a(n)
0	5
1	9
2	16
3	24
4	37
5	56
6	86
7	135
8	212
9	336
10	536
11	859
12	1381
13	2226
14	3591
15	5799
16	9371
17	15150
18	24500
19	39628
20	64105
21	103709
22	167789
23	271473
24	439235
25	710679
26	1149884
27	1860532
28	3010384
29	4870883
30	7881233
31	12752081
32	20633278
33	33385322

[5, 9, 16, 24, 37, 56, 86, 135, 212, 336, 536, 859, 1381, 2226, 3591, 5799, 9371, 15150, 24500, 39628, 64105, 103709, 167789, 271473, 439235, 710679, 1149884, 1860532, 3010384, 4870883, 7881233, 12752081, 20633278, 33385322]

cp's OEIS Frontend

A023497 a(n) = b(n) + d(n), where b(n) = (n-th Lucas number > 3) and d(n) = (n-th number that is 1 or is not a Lucas number).

Table of values

List of values