A111002 - cp's OEIS frontend

A111002 a(n) = gcd(f(n), f(n+1)) where f(n) = n^4 + n^2 + 1.

n	a(n)
0	1
1	3
2	7
3	91
4	21
5	31
6	43
7	57
8	73
9	91
10	777
11	133
12	157
13	183
14	211
15	241
16	273
17	2149
18	343
19	381
20	421
21	463
22	507
23	553
24	4207
25	651
26	703
27	757
28	813
29	871
30	931
31	6951
32	1057
33	1123
34	1191
35	1261
36	1333
37	1407
38	10381
39	1561
40	1641
41	1723
42	1807
43	1893
44	1981
45	14497
46	2163
47	2257
48	2353

[1, 3, 7, 91, 21, 31, 43, 57, 73, 91, 777, 133, 157, 183, 211, 241, 273, 2149, 343, 381, 421, 463, 507, 553, 4207, 651, 703, 757, 813, 871, 931, 6951, 1057, 1123, 1191, 1261, 1333, 1407, 10381, 1561, 1641, 1723, 1807, 1893, 1981, 14497, 2163, 2257, 2353]

cp's OEIS Frontend

A111002 a(n) = gcd(f(n), f(n+1)) where f(n) = n^4 + n^2 + 1.

Table of values

List of values