A099149 - cp's OEIS frontend

A099149 Take a <= b such that f(a)+f(b)=concatenation of a and b, where f(k)=k(k+3)/2 (A000096). Sequence gives values of b.

n	a(n)
1	5
2	6
3	8
4	8
5	6
6	5
7	59
8	78
9	384
10	98
11	98
12	506
13	78
14	1803
15	59
16	599
17	798
18	960
19	921
20	998
21	998
22	14555
23	921
24	860
25	798
26	599
27	506
28	384
29	5999
30	6785
31	24615
32	7343
33	27170
34	7998
35	36005

[5, 6, 8, 8, 6, 5, 59, 78, 384, 98, 98, 506, 78, 1803, 59, 599, 798, 960, 921, 998, 998, 14555, 921, 860, 798, 599, 506, 384, 5999, 6785, 24615, 7343, 27170, 7998, 36005]

cp's OEIS Frontend

A099149 Take a <= b such that f(a)+f(b)=concatenation of a and b, where f(k)=k(k+3)/2 (A000096). Sequence gives values of b.

Table of values

List of values