A120611 - cp's OEIS frontend

A120611 Sum of previous term and preceding divisors.

n	a(n)
1	1
2	2
3	3
4	4
5	7
6	8
7	15
8	19
9	20
10	27
11	31
12	32
13	47
14	48
15	66
16	72
17	90
18	111
19	115
20	116
21	123
22	127
23	128
24	175
25	183
26	187
27	188
28	242
29	245
30	253
31	254
32	384
33	610
34	613
35	614
36	617
37	618
38	624
39	690
40	826
41	836
42	862
43	865
44	866
45	869
46	870
47	891
48	922
49	925
50	926
51	929
52	930
53	982
54	985
55	986
56	989
57	990

[1, 2, 3, 4, 7, 8, 15, 19, 20, 27, 31, 32, 47, 48, 66, 72, 90, 111, 115, 116, 123, 127, 128, 175, 183, 187, 188, 242, 245, 253, 254, 384, 610, 613, 614, 617, 618, 624, 690, 826, 836, 862, 865, 866, 869, 870, 891, 922, 925, 926, 929, 930, 982, 985, 986, 989, 990]

cp's OEIS Frontend

A120611 Sum of previous term and preceding divisors.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	7
6	8
7	15
8	19
9	20
10	27
11	31
12	32
13	47
14	48
15	66
16	72
17	90
18	111
19	115
20	116
21	123
22	127
23	128
24	175
25	183
26	187
27	188
28	242
29	245
30	253
31	254
32	384
33	610
34	613
35	614
36	617
37	618
38	624
39	690
40	826
41	836
42	862
43	865
44	866
45	869
46	870
47	891
48	922
49	925
50	926
51	929
52	930
53	982
54	985
55	986
56	989
57	990

n	a(n)
1	1
2	2
3	3
4	4
5	7
6	8
7	15
8	19
9	20
10	27
11	31
12	32
13	47
14	48
15	66
16	72
17	90
18	111
19	115
20	116
21	123
22	127
23	128
24	175
25	183
26	187
27	188
28	242
29	245
30	253
31	254
32	384
33	610
34	613
35	614
36	617
37	618
38	624
39	690
40	826
41	836
42	862
43	865
44	866
45	869
46	870
47	891
48	922
49	925
50	926
51	929
52	930
53	982
54	985
55	986
56	989
57	990

n	a(n)
1	1
2	2
3	3
4	4
5	7
6	8
7	15
8	19
9	20
10	27
11	31
12	32
13	47
14	48
15	66
16	72
17	90
18	111
19	115
20	116
21	123
22	127
23	128
24	175
25	183
26	187
27	188
28	242
29	245
30	253
31	254
32	384
33	610
34	613
35	614
36	617
37	618
38	624
39	690
40	826
41	836
42	862
43	865
44	866
45	869
46	870
47	891
48	922
49	925
50	926
51	929
52	930
53	982
54	985
55	986
56	989
57	990