A288994 - cp's OEIS frontend

A288994 a(n) = n(n+3) when n is congruent to 0 or 3 (mod 4), and n(n+3)/2 otherwise.

n	a(n)
0	0
1	2
2	5
3	18
4	28
5	20
6	27
7	70
8	88
9	54
10	65
11	154
12	180
13	104
14	119
15	270
16	304
17	170
18	189
19	418
20	460
21	252
22	275
23	598
24	648
25	350
26	377
27	810
28	868
29	464
30	495
31	1054
32	1120
33	594
34	629
35	1330
36	1404
37	740
38	779
39	1638
40	1720
41	902
42	945
43	1978
44	2068
45	1080
46	1127
47	2350
48	2448
49	1274
50	1325

[0, 2, 5, 18, 28, 20, 27, 70, 88, 54, 65, 154, 180, 104, 119, 270, 304, 170, 189, 418, 460, 252, 275, 598, 648, 350, 377, 810, 868, 464, 495, 1054, 1120, 594, 629, 1330, 1404, 740, 779, 1638, 1720, 902, 945, 1978, 2068, 1080, 1127, 2350, 2448, 1274, 1325]

cp's OEIS Frontend

A288994 a(n) = n(n+3) when n is congruent to 0 or 3 (mod 4), and n(n+3)/2 otherwise.

Table of values

List of values

cp's OEIS Frontend

A288994 a(n) = n*(n+3) when n is congruent to 0 or 3 (mod 4), and n*(n+3)/2 otherwise.

Table of values

List of values

A288994 a(n) = n(n+3) when n is congruent to 0 or 3 (mod 4), and n(n+3)/2 otherwise.