A075326 - cp's OEIS frontend

A075326 Anti-Fibonacci numbers: start with a(0) = 0, and extend by the rule that the next term is the sum of the two smallest numbers that are not in the sequence nor were used to form an earlier sum.

n	a(n)
0	0
1	3
2	9
3	13
4	18
5	23
6	29
7	33
8	39
9	43
10	49
11	53
12	58
13	63
14	69
15	73
16	78
17	83
18	89
19	93
20	98
21	103
22	109
23	113
24	119
25	123
26	129
27	133
28	138
29	143
30	149
31	153
32	159
33	163
34	169
35	173
36	178
37	183
38	189
39	193
40	199
41	203
42	209
43	213
44	218
45	223
46	229
47	233
48	238
49	243
50	249
51	253
52	258
53	263
54	269
55	273
56	279
57	283

[0, 3, 9, 13, 18, 23, 29, 33, 39, 43, 49, 53, 58, 63, 69, 73, 78, 83, 89, 93, 98, 103, 109, 113, 119, 123, 129, 133, 138, 143, 149, 153, 159, 163, 169, 173, 178, 183, 189, 193, 199, 203, 209, 213, 218, 223, 229, 233, 238, 243, 249, 253, 258, 263, 269, 273, 279, 283]

cp's OEIS Frontend

A075326 Anti-Fibonacci numbers: start with a(0) = 0, and extend by the rule that the next term is the sum of the two smallest numbers that are not in the sequence nor were used to form an earlier sum.

Table of values

List of values

n	a(n)
0	0
1	3
2	9
3	13
4	18
5	23
6	29
7	33
8	39
9	43
10	49
11	53
12	58
13	63
14	69
15	73
16	78
17	83
18	89
19	93
20	98
21	103
22	109
23	113
24	119
25	123
26	129
27	133
28	138
29	143
30	149
31	153
32	159
33	163
34	169
35	173
36	178
37	183
38	189
39	193
40	199
41	203
42	209
43	213
44	218
45	223
46	229
47	233
48	238
49	243
50	249
51	253
52	258
53	263
54	269
55	273
56	279
57	283

n	a(n)
0	0
1	3
2	9
3	13
4	18
5	23
6	29
7	33
8	39
9	43
10	49
11	53
12	58
13	63
14	69
15	73
16	78
17	83
18	89
19	93
20	98
21	103
22	109
23	113
24	119
25	123
26	129
27	133
28	138
29	143
30	149
31	153
32	159
33	163
34	169
35	173
36	178
37	183
38	189
39	193
40	199
41	203
42	209
43	213
44	218
45	223
46	229
47	233
48	238
49	243
50	249
51	253
52	258
53	263
54	269
55	273
56	279
57	283

n	a(n)
0	0
1	3
2	9
3	13
4	18
5	23
6	29
7	33
8	39
9	43
10	49
11	53
12	58
13	63
14	69
15	73
16	78
17	83
18	89
19	93
20	98
21	103
22	109
23	113
24	119
25	123
26	129
27	133
28	138
29	143
30	149
31	153
32	159
33	163
34	169
35	173
36	178
37	183
38	189
39	193
40	199
41	203
42	209
43	213
44	218
45	223
46	229
47	233
48	238
49	243
50	249
51	253
52	258
53	263
54	269
55	273
56	279
57	283