A059774 - cp's OEIS frontend

A059774 Consider the line segment in R^n from the origin to the point P=(1,2,3,...,n); let d = squared distance to this line from the closest point of Z^n (excluding the endpoints). Sequence gives d times P.P.

n	a(n)
2	1
3	3
4	9
5	21
6	40
7	75
8	120
9	189
10	285
11	385
12	506
13	650
14	819
15	1015
16	1240
17	1496
18	1785
19	2109
20	2470
21	2870
22	3311
23	3795
24	4324
25	4900
26	5525
27	6201
28	6930
29	7714
30	8555
31	9455
32	10416
33	11440
34	12529
35	13685
36	14910
37	16206
38	17575
39	19019
40	20540
41	22140
42	23821
43	25585
44	27434
45	29370

[1, 3, 9, 21, 40, 75, 120, 189, 285, 385, 506, 650, 819, 1015, 1240, 1496, 1785, 2109, 2470, 2870, 3311, 3795, 4324, 4900, 5525, 6201, 6930, 7714, 8555, 9455, 10416, 11440, 12529, 13685, 14910, 16206, 17575, 19019, 20540, 22140, 23821, 25585, 27434, 29370]

cp's OEIS Frontend

A059774 Consider the line segment in R^n from the origin to the point P=(1,2,3,...,n); let d = squared distance to this line from the closest point of Z^n (excluding the endpoints). Sequence gives d times P.P.

Table of values

List of values