A076389 - cp's OEIS frontend

A076389 Sum of squares of numbers that cannot be written as tn + u(n+1) for nonnegative integers t,u.

n	a(n)
1	0
2	1
3	30
4	220
5	950
6	3045
7	8036
8	18480
9	38340
10	73425
11	131890
12	224796
13	366730
14	576485
15	877800
16	1300160
17	1879656
18	2659905
19	3693030
20	5040700
21	6775230
22	8980741
23	11754380
24	15207600
25	19467500
26	24678225
27	31002426
28	38622780
29	47743570

[0, 1, 30, 220, 950, 3045, 8036, 18480, 38340, 73425, 131890, 224796, 366730, 576485, 877800, 1300160, 1879656, 2659905, 3693030, 5040700, 6775230, 8980741, 11754380, 15207600, 19467500, 24678225, 31002426, 38622780, 47743570]

cp's OEIS Frontend

A076389 Sum of squares of numbers that cannot be written as tn + u(n+1) for nonnegative integers t,u.

Table of values

List of values

cp's OEIS Frontend

A076389 Sum of squares of numbers that cannot be written as t*n + u*(n+1) for nonnegative integers t,u.

Table of values

List of values

A076389 Sum of squares of numbers that cannot be written as tn + u(n+1) for nonnegative integers t,u.