A076455 - cp's OEIS frontend

A076455 Sum of numbers that can be written as tn + u(n+1) for nonnegative integers t,u in exactly two ways.

n	a(n)
1	5
2	57
3	246
4	710
5	1635
6	3255
7	5852
8	9756
9	15345
10	23045
11	33330
12	46722
13	63791
14	85155
15	111480
16	143480
17	181917
18	227601
19	281390
20	344190
21	416955
22	500687
23	596436
24	705300
25	828425
26	967005
27	1122282
28	1295546
29	1488135
30	1701435
31	1936880
32	2195952
33	2480181

[5, 57, 246, 710, 1635, 3255, 5852, 9756, 15345, 23045, 33330, 46722, 63791, 85155, 111480, 143480, 181917, 227601, 281390, 344190, 416955, 500687, 596436, 705300, 828425, 967005, 1122282, 1295546, 1488135, 1701435, 1936880, 2195952, 2480181]

cp's OEIS Frontend

A076455 Sum of numbers that can be written as tn + u(n+1) for nonnegative integers t,u in exactly two ways.

Table of values

List of values

cp's OEIS Frontend

A076455 Sum of numbers that can be written as t*n + u*(n+1) for nonnegative integers t,u in exactly two ways.

Table of values

List of values

A076455 Sum of numbers that can be written as tn + u(n+1) for nonnegative integers t,u in exactly two ways.