A098598 - cp's OEIS frontend

A098598 Number of primes in sequences formed from the t digits of n where the latter terms are given by rule b(i)=sum of t previous terms; primes are counted from initial t digits up to the largest term < n^2.

n	a(n)
10	5
11	5
12	5
13	5
14	5
15	5
16	4
17	3
18	4
19	2
20	3
21	7
22	2
23	6
24	1
25	6
26	1
27	5
28	1
29	4
30	3
31	6
32	7
33	2
34	7
35	5
36	1
37	5
38	5
39	1
40	0
41	6
42	1
43	5
44	0
45	6
46	0
47	7
48	0
49	5
50	3
51	6
52	7
53	6
54	6
55	2
56	6
57	7
58	5
59	6
60	0
61	5
62	1
63	1
64	0
65	6
66	0
67	5
68	0
69	0
70	3
71	5
72	6
73	5
74	5
75	5
76	6
77	2
78	5
79	5
80	0
81	3
82	1
83	4
84	0
85	4
86	0
87	5
88	0
89	4
90	0
91	4
92	8
93	1
94	3
95	4
96	0
97	6
98	6
99	0
100	4
101	4
102	6
103	3
104	4
105	3
106	3
107	3
108	2
109	4
110	6
111	7
112	4
113	7
114	2

[5, 5, 5, 5, 5, 5, 4, 3, 4, 2, 3, 7, 2, 6, 1, 6, 1, 5, 1, 4, 3, 6, 7, 2, 7, 5, 1, 5, 5, 1, 0, 6, 1, 5, 0, 6, 0, 7, 0, 5, 3, 6, 7, 6, 6, 2, 6, 7, 5, 6, 0, 5, 1, 1, 0, 6, 0, 5, 0, 0, 3, 5, 6, 5, 5, 5, 6, 2, 5, 5, 0, 3, 1, 4, 0, 4, 0, 5, 0, 4, 0, 4, 8, 1, 3, 4, 0, 6, 6, 0, 4, 4, 6, 3, 4, 3, 3, 3, 2, 4, 6, 7, 4, 7, 2]

cp's OEIS Frontend

A098598 Number of primes in sequences formed from the t digits of n where the latter terms are given by rule b(i)=sum of t previous terms; primes are counted from initial t digits up to the largest term < n^2.

Table of values

List of values

n	a(n)
10	5
11	5
12	5
13	5
14	5
15	5
16	4
17	3
18	4
19	2
20	3
21	7
22	2
23	6
24	1
25	6
26	1
27	5
28	1
29	4
30	3
31	6
32	7
33	2
34	7
35	5
36	1
37	5
38	5
39	1
40	0
41	6
42	1
43	5
44	0
45	6
46	0
47	7
48	0
49	5
50	3
51	6
52	7
53	6
54	6
55	2
56	6
57	7
58	5
59	6
60	0
61	5
62	1
63	1
64	0
65	6
66	0
67	5
68	0
69	0
70	3
71	5
72	6
73	5
74	5
75	5
76	6
77	2
78	5
79	5
80	0
81	3
82	1
83	4
84	0
85	4
86	0
87	5
88	0
89	4
90	0
91	4
92	8
93	1
94	3
95	4
96	0
97	6
98	6
99	0
100	4
101	4
102	6
103	3
104	4
105	3
106	3
107	3
108	2
109	4
110	6
111	7
112	4
113	7
114	2

n	a(n)
10	5
11	5
12	5
13	5
14	5
15	5
16	4
17	3
18	4
19	2
20	3
21	7
22	2
23	6
24	1
25	6
26	1
27	5
28	1
29	4
30	3
31	6
32	7
33	2
34	7
35	5
36	1
37	5
38	5
39	1
40	0
41	6
42	1
43	5
44	0
45	6
46	0
47	7
48	0
49	5
50	3
51	6
52	7
53	6
54	6
55	2
56	6
57	7
58	5
59	6
60	0
61	5
62	1
63	1
64	0
65	6
66	0
67	5
68	0
69	0
70	3
71	5
72	6
73	5
74	5
75	5
76	6
77	2
78	5
79	5
80	0
81	3
82	1
83	4
84	0
85	4
86	0
87	5
88	0
89	4
90	0
91	4
92	8
93	1
94	3
95	4
96	0
97	6
98	6
99	0
100	4
101	4
102	6
103	3
104	4
105	3
106	3
107	3
108	2
109	4
110	6
111	7
112	4
113	7
114	2

n	a(n)
10	5
11	5
12	5
13	5
14	5
15	5
16	4
17	3
18	4
19	2
20	3
21	7
22	2
23	6
24	1
25	6
26	1
27	5
28	1
29	4
30	3
31	6
32	7
33	2
34	7
35	5
36	1
37	5
38	5
39	1
40	0
41	6
42	1
43	5
44	0
45	6
46	0
47	7
48	0
49	5
50	3
51	6
52	7
53	6
54	6
55	2
56	6
57	7
58	5
59	6
60	0
61	5
62	1
63	1
64	0
65	6
66	0
67	5
68	0
69	0
70	3
71	5
72	6
73	5
74	5
75	5
76	6
77	2
78	5
79	5
80	0
81	3
82	1
83	4
84	0
85	4
86	0
87	5
88	0
89	4
90	0
91	4
92	8
93	1
94	3
95	4
96	0
97	6
98	6
99	0
100	4
101	4
102	6
103	3
104	4
105	3
106	3
107	3
108	2
109	4
110	6
111	7
112	4
113	7
114	2