A232397 - cp's OEIS frontend

A232397 a(n) = ceiling(sqrt(n^4 + n^3 + n^2 + n + 1))^2 - (n^4 + n^3 + n^2 + n + 1).

n	a(n)
0	0
1	4
2	5
3	0
4	20
5	3
6	45
7	8
8	80
9	15
10	125
11	24
12	180
13	35
14	245
15	48
16	320
17	63
18	405
19	80
20	500
21	99
22	605
23	120
24	720
25	143
26	845
27	168
28	980
29	195
30	1125
31	224
32	1280
33	255
34	1445
35	288
36	1620
37	323
38	1805
39	360
40	2000
41	399
42	2205
43	440
44	2420
45	483
46	2645
47	528
48	2880
49	575
50	3125
51	624
52	3380
53	675

[0, 4, 5, 0, 20, 3, 45, 8, 80, 15, 125, 24, 180, 35, 245, 48, 320, 63, 405, 80, 500, 99, 605, 120, 720, 143, 845, 168, 980, 195, 1125, 224, 1280, 255, 1445, 288, 1620, 323, 1805, 360, 2000, 399, 2205, 440, 2420, 483, 2645, 528, 2880, 575, 3125, 624, 3380, 675]

cp's OEIS Frontend

A232397 a(n) = ceiling(sqrt(n^4 + n^3 + n^2 + n + 1))^2 - (n^4 + n^3 + n^2 + n + 1).

Table of values

List of values