A071292 - cp's OEIS frontend

A071292 Call f(n) the sum of the first n primes then a(n) is the number of squares between f(n) and f(n+1).

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	2
9	2
10	1
11	2
12	1
13	1
14	2
15	1
16	1
17	2
18	1
19	2
20	1
21	2
22	1
23	2
24	1
25	2
26	1
27	2
28	1
29	1
30	2
31	2
32	1
33	2
34	1
35	2
36	1
37	2
38	1
39	2
40	2
41	1
42	2
43	1
44	2
45	2
46	1
47	2
48	1
49	2
50	2
51	1
52	2
53	1
54	2
55	2
56	1
57	2
58	2
59	1
60	2
61	1
62	2
63	2
64	1
65	2
66	2
67	1
68	2
69	2
70	2
71	1
72	2
73	2
74	1
75	2
76	2
77	1
78	2
79	2
80	1
81	2
82	2
83	2
84	1
85	2
86	2
87	1
88	2
89	2
90	1
91	2
92	2
93	2
94	1
95	2
96	2
97	1
98	2
99	2
100	2

[1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 2, 1, 1, 2, 1, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 1, 2, 2, 1, 2, 1, 2, 1, 2, 1, 2, 2, 1, 2, 1, 2, 2, 1, 2, 1, 2, 2, 1, 2, 1, 2, 2, 1, 2, 2, 1, 2, 1, 2, 2, 1, 2, 2, 1, 2, 2, 2, 1, 2, 2, 1, 2, 2, 1, 2, 2, 1, 2, 2, 2, 1, 2, 2, 1, 2, 2, 1, 2, 2, 2, 1, 2, 2, 1, 2, 2, 2]

cp's OEIS Frontend

A071292 Call f(n) the sum of the first n primes then a(n) is the number of squares between f(n) and f(n+1).

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	2
9	2
10	1
11	2
12	1
13	1
14	2
15	1
16	1
17	2
18	1
19	2
20	1
21	2
22	1
23	2
24	1
25	2
26	1
27	2
28	1
29	1
30	2
31	2
32	1
33	2
34	1
35	2
36	1
37	2
38	1
39	2
40	2
41	1
42	2
43	1
44	2
45	2
46	1
47	2
48	1
49	2
50	2
51	1
52	2
53	1
54	2
55	2
56	1
57	2
58	2
59	1
60	2
61	1
62	2
63	2
64	1
65	2
66	2
67	1
68	2
69	2
70	2
71	1
72	2
73	2
74	1
75	2
76	2
77	1
78	2
79	2
80	1
81	2
82	2
83	2
84	1
85	2
86	2
87	1
88	2
89	2
90	1
91	2
92	2
93	2
94	1
95	2
96	2
97	1
98	2
99	2
100	2

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	2
9	2
10	1
11	2
12	1
13	1
14	2
15	1
16	1
17	2
18	1
19	2
20	1
21	2
22	1
23	2
24	1
25	2
26	1
27	2
28	1
29	1
30	2
31	2
32	1
33	2
34	1
35	2
36	1
37	2
38	1
39	2
40	2
41	1
42	2
43	1
44	2
45	2
46	1
47	2
48	1
49	2
50	2
51	1
52	2
53	1
54	2
55	2
56	1
57	2
58	2
59	1
60	2
61	1
62	2
63	2
64	1
65	2
66	2
67	1
68	2
69	2
70	2
71	1
72	2
73	2
74	1
75	2
76	2
77	1
78	2
79	2
80	1
81	2
82	2
83	2
84	1
85	2
86	2
87	1
88	2
89	2
90	1
91	2
92	2
93	2
94	1
95	2
96	2
97	1
98	2
99	2
100	2

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	2
9	2
10	1
11	2
12	1
13	1
14	2
15	1
16	1
17	2
18	1
19	2
20	1
21	2
22	1
23	2
24	1
25	2
26	1
27	2
28	1
29	1
30	2
31	2
32	1
33	2
34	1
35	2
36	1
37	2
38	1
39	2
40	2
41	1
42	2
43	1
44	2
45	2
46	1
47	2
48	1
49	2
50	2
51	1
52	2
53	1
54	2
55	2
56	1
57	2
58	2
59	1
60	2
61	1
62	2
63	2
64	1
65	2
66	2
67	1
68	2
69	2
70	2
71	1
72	2
73	2
74	1
75	2
76	2
77	1
78	2
79	2
80	1
81	2
82	2
83	2
84	1
85	2
86	2
87	1
88	2
89	2
90	1
91	2
92	2
93	2
94	1
95	2
96	2
97	1
98	2
99	2
100	2