A183528 - cp's OEIS frontend

A183528 An Ulam-type sequence: a(n) = n if n<=5; for n>5, a(n) = least number > a(n-1) which is a unique sum of 5 distinct earlier terms.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	15
7	25
8	26
9	27
10	28
11	29
12	35
13	43
14	45
15	165
16	171
17	172
18	174
19	180
20	181
21	328
22	333
23	338
24	339
25	340
26	341
27	493
28	499
29	500
30	647
31	652
32	657
33	658
34	659
35	660
36	661
37	662
38	663
39	815
40	818
41	819
42	971
43	1127
44	1137
45	1138
46	1139
47	1140
48	1141
49	1142

[1, 2, 3, 4, 5, 15, 25, 26, 27, 28, 29, 35, 43, 45, 165, 171, 172, 174, 180, 181, 328, 333, 338, 339, 340, 341, 493, 499, 500, 647, 652, 657, 658, 659, 660, 661, 662, 663, 815, 818, 819, 971, 1127, 1137, 1138, 1139, 1140, 1141, 1142]

cp's OEIS Frontend

A183528 An Ulam-type sequence: a(n) = n if n<=5; for n>5, a(n) = least number > a(n-1) which is a unique sum of 5 distinct earlier terms.

Table of values

List of values