A104589 - cp's OEIS frontend

A104589 a(1)=1. a(n) = a(n-1) + (sum of terms, from among terms a(1) through a(n-1), which are prime or 1).

n	a(n)
1	1
2	2
3	5
4	13
5	34
6	55
7	76
8	97
9	215
10	333
11	451
12	569
13	1256
14	1943
15	2630
16	3317
17	4004
18	4691
19	10069
20	25516
21	40963
22	56410
23	71857
24	87304
25	102751
26	118198
27	133645
28	149092
29	164539
30	179986
31	195433
32	210880
33	226327
34	241774
35	257221
36	529889
37	802557
38	1075225

[1, 2, 5, 13, 34, 55, 76, 97, 215, 333, 451, 569, 1256, 1943, 2630, 3317, 4004, 4691, 10069, 25516, 40963, 56410, 71857, 87304, 102751, 118198, 133645, 149092, 164539, 179986, 195433, 210880, 226327, 241774, 257221, 529889, 802557, 1075225]

cp's OEIS Frontend

A104589 a(1)=1. a(n) = a(n-1) + (sum of terms, from among terms a(1) through a(n-1), which are prime or 1).

Table of values

List of values