A296268 - cp's OEIS frontend

A296268 Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-2)*b(n), where a(0) = 1, a(1) = 4, b(0) = 2, b(1) = 3, b(2) = 5, and (a(n)) and (b(n)) are increasing complementary sequences.

n	a(n)
0	1
1	4
2	15
3	37
4	87
5	172
6	322
7	574
8	995
9	1689
10	2827
11	4684
12	7719
13	12641
14	20648
15	33612
16	54620
17	88631
18	143691
19	232805
20	377024
21	610404
22	988052
23	1599131
24	2587911
25	4187825
26	6776576
27	10965300
28	17742836
29	28709159
30	46453083
31	75163397
32	121617704
33	196782431
34	318401539

[1, 4, 15, 37, 87, 172, 322, 574, 995, 1689, 2827, 4684, 7719, 12641, 20648, 33612, 54620, 88631, 143691, 232805, 377024, 610404, 988052, 1599131, 2587911, 4187825, 6776576, 10965300, 17742836, 28709159, 46453083, 75163397, 121617704, 196782431, 318401539]

cp's OEIS Frontend

A296268 Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-2)*b(n), where a(0) = 1, a(1) = 4, b(0) = 2, b(1) = 3, b(2) = 5, and (a(n)) and (b(n)) are increasing complementary sequences.

Table of values

List of values