A303600 - cp's OEIS frontend

A303600 a(1)=2 and a(2)=3, then a(n+1) is the smallest integer larger than a(n) that can be written as the sum of two (not necessarily distinct) earlier terms in exactly one way.

n	a(n)
1	2
2	3
3	4
4	5
5	9
6	10
7	11
8	16
9	22
10	24
11	28
12	29
13	30
14	37
15	42
16	50
17	55
18	56
19	70
20	73
21	76
22	82
23	89
24	95
25	101
26	102
27	115
28	128
29	133
30	135
31	136
32	141
33	142
34	153
35	160
36	161
37	168
38	174
39	181
40	195
41	199
42	200
43	214
44	221
45	227
46	233
47	247
48	252
49	265
50	266
51	267
52	273
53	280
54	285
55	286
56	325
57	331
58	332
59	338

[2, 3, 4, 5, 9, 10, 11, 16, 22, 24, 28, 29, 30, 37, 42, 50, 55, 56, 70, 73, 76, 82, 89, 95, 101, 102, 115, 128, 133, 135, 136, 141, 142, 153, 160, 161, 168, 174, 181, 195, 199, 200, 214, 221, 227, 233, 247, 252, 265, 266, 267, 273, 280, 285, 286, 325, 331, 332, 338]

cp's OEIS Frontend

A303600 a(1)=2 and a(2)=3, then a(n+1) is the smallest integer larger than a(n) that can be written as the sum of two (not necessarily distinct) earlier terms in exactly one way.

Table of values

List of values

n	a(n)
1	2
2	3
3	4
4	5
5	9
6	10
7	11
8	16
9	22
10	24
11	28
12	29
13	30
14	37
15	42
16	50
17	55
18	56
19	70
20	73
21	76
22	82
23	89
24	95
25	101
26	102
27	115
28	128
29	133
30	135
31	136
32	141
33	142
34	153
35	160
36	161
37	168
38	174
39	181
40	195
41	199
42	200
43	214
44	221
45	227
46	233
47	247
48	252
49	265
50	266
51	267
52	273
53	280
54	285
55	286
56	325
57	331
58	332
59	338

n	a(n)
1	2
2	3
3	4
4	5
5	9
6	10
7	11
8	16
9	22
10	24
11	28
12	29
13	30
14	37
15	42
16	50
17	55
18	56
19	70
20	73
21	76
22	82
23	89
24	95
25	101
26	102
27	115
28	128
29	133
30	135
31	136
32	141
33	142
34	153
35	160
36	161
37	168
38	174
39	181
40	195
41	199
42	200
43	214
44	221
45	227
46	233
47	247
48	252
49	265
50	266
51	267
52	273
53	280
54	285
55	286
56	325
57	331
58	332
59	338

n	a(n)
1	2
2	3
3	4
4	5
5	9
6	10
7	11
8	16
9	22
10	24
11	28
12	29
13	30
14	37
15	42
16	50
17	55
18	56
19	70
20	73
21	76
22	82
23	89
24	95
25	101
26	102
27	115
28	128
29	133
30	135
31	136
32	141
33	142
34	153
35	160
36	161
37	168
38	174
39	181
40	195
41	199
42	200
43	214
44	221
45	227
46	233
47	247
48	252
49	265
50	266
51	267
52	273
53	280
54	285
55	286
56	325
57	331
58	332
59	338