A056141 - cp's OEIS frontend

A056141 a(n) = primefloor(n)primeceiling(n) - previousprime(n)nextprime(n).

n	a(n)
3	-1
4	0
5	4
6	0
7	-6
8	0
9	0
10	0
11	30
12	0
13	-18
14	0
15	0
16	0
17	42
18	0
19	-30
20	0
21	0
22	0
23	-22
24	0
25	0
26	0
27	0
28	0
29	128
30	0
31	-112
32	0
33	0
34	0
35	0
36	0
37	98
38	0
39	0
40	0
41	90
42	0
43	-78
44	0
45	0
46	0
47	-70
48	0
49	0
50	0
51	0
52	0
53	36
54	0
55	0
56	0
57	0
58	0
59	248
60	0
61	-232
62	0
63	0
64	0
65	0
66	0
67	158
68	0
69	0
70	0
71	150
72	0
73	-280
74	0
75	0
76	0
77	0
78	0
79	182

[-1, 0, 4, 0, -6, 0, 0, 0, 30, 0, -18, 0, 0, 0, 42, 0, -30, 0, 0, 0, -22, 0, 0, 0, 0, 0, 128, 0, -112, 0, 0, 0, 0, 0, 98, 0, 0, 0, 90, 0, -78, 0, 0, 0, -70, 0, 0, 0, 0, 0, 36, 0, 0, 0, 0, 0, 248, 0, -232, 0, 0, 0, 0, 0, 158, 0, 0, 0, 150, 0, -280, 0, 0, 0, 0, 0, 182]

cp's OEIS Frontend

A056141 a(n) = primefloor(n)primeceiling(n) - previousprime(n)nextprime(n).

Table of values

List of values

cp's OEIS Frontend

A056141 a(n) = primefloor(n)*primeceiling(n) - previousprime(n)*nextprime(n).

Table of values

List of values

A056141 a(n) = primefloor(n)primeceiling(n) - previousprime(n)nextprime(n).