A113796 - cp's OEIS frontend

A113796 Numbers k such that k = T(x) + T(y) where T(m) is the m-th triangular number and k is concatenate(x, y) in base 10.

n	a(n)
1	190
2	191
3	19900
4	19901
5	90415
6	585910
7	1201545
8	1414910
9	1501726
10	1909415
11	1999000
12	1999001
13	2442196
14	7003676
15	7693846
16	14745226
17	28296970
18	30307171
19	42009156
20	47748526
21	61549231
22	63249300
23	78049756
24	82749850
25	84559880
26	115449880
27	117259850
28	121959756

[190, 191, 19900, 19901, 90415, 585910, 1201545, 1414910, 1501726, 1909415, 1999000, 1999001, 2442196, 7003676, 7693846, 14745226, 28296970, 30307171, 42009156, 47748526, 61549231, 63249300, 78049756, 82749850, 84559880, 115449880, 117259850, 121959756]

cp's OEIS Frontend

A113796 Numbers k such that k = T(x) + T(y) where T(m) is the m-th triangular number and k is concatenate(x, y) in base 10.

Table of values

List of values