A194627 - cp's OEIS frontend

A194627 a(1)=1, a(n+1) = p(n)^2 + q(n)^2 + 1, where p(n) and q(n) are the number of prime and nonprime numbers respectively in the sequence so far.

n	a(n)
1	1
2	2
3	3
4	6
5	9
6	14
7	21
8	30
9	41
10	46
11	59
12	66
13	81
14	98
15	117
16	138
17	161
18	186
19	213
20	242
21	273
22	306
23	341
24	378
25	417
26	458
27	501
28	546
29	593
30	602
31	651
32	702
33	755
34	810
35	867
36	926
37	987
38	1050
39	1115
40	1182
41	1251
42	1322
43	1395
44	1470
45	1547
46	1626
47	1707
48	1790
49	1875
50	1962
51	2051
52	2142

[1, 2, 3, 6, 9, 14, 21, 30, 41, 46, 59, 66, 81, 98, 117, 138, 161, 186, 213, 242, 273, 306, 341, 378, 417, 458, 501, 546, 593, 602, 651, 702, 755, 810, 867, 926, 987, 1050, 1115, 1182, 1251, 1322, 1395, 1470, 1547, 1626, 1707, 1790, 1875, 1962, 2051, 2142]

cp's OEIS Frontend

A194627 a(1)=1, a(n+1) = p(n)^2 + q(n)^2 + 1, where p(n) and q(n) are the number of prime and nonprime numbers respectively in the sequence so far.

Table of values

List of values