A167209 - cp's OEIS frontend

A167209 a(0) = 0; for n>=0, a(n+1) = a(n) + x where x is the smallest nonnegative number which is not equal to a(i) +/- a(k) or a(i)/2 for any 0<=i<=n, 0<=k<=n.

n	a(n)
0	0
1	1
2	4
3	10
4	17
5	29
6	44
7	67
8	91
9	117
10	148
11	180
12	215
13	251
14	288
15	329
16	371
17	420
18	471
19	523
20	576
21	631
22	687
23	746
24	806
25	870
26	935
27	1004
28	1074
29	1146
30	1221
31	1297
32	1376
33	1456
34	1538
35	1623
36	1709
37	1802
38	1896
39	1993
40	2092
41	2194
42	2300
43	2409
44	2519
45	2631
46	2753
47	2876
48	3001
49	3127
50	3255
51	3385
52	3518
53	3655
54	3796
55	3939

[0, 1, 4, 10, 17, 29, 44, 67, 91, 117, 148, 180, 215, 251, 288, 329, 371, 420, 471, 523, 576, 631, 687, 746, 806, 870, 935, 1004, 1074, 1146, 1221, 1297, 1376, 1456, 1538, 1623, 1709, 1802, 1896, 1993, 2092, 2194, 2300, 2409, 2519, 2631, 2753, 2876, 3001, 3127, 3255, 3385, 3518, 3655, 3796, 3939]

cp's OEIS Frontend

A167209 a(0) = 0; for n>=0, a(n+1) = a(n) + x where x is the smallest nonnegative number which is not equal to a(i) +/- a(k) or a(i)/2 for any 0<=i<=n, 0<=k<=n.

Table of values

List of values