A183530 - cp's OEIS frontend

A183530 An Ulam-type sequence: a(n) = n if n<=7; for n>7, a(n) = least number > a(n-1) which is a unique sum of 7 distinct earlier terms.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	28
9	49
10	50
11	51
12	52
13	53
14	54
15	55
16	70
17	82
18	91
19	109
20	112
21	555
22	556
23	563
24	564
25	572
26	573
27	576
28	583
29	584
30	591
31	593
32	1103
33	1104
34	1105
35	1111
36	1112
37	1124
38	1632
39	1637
40	1642
41	1643
42	1648
43	1653
44	1654
45	1655
46	1656
47	1657
48	1660
49	1661
50	1662
51	1671
52	1672
53	2184

[1, 2, 3, 4, 5, 6, 7, 28, 49, 50, 51, 52, 53, 54, 55, 70, 82, 91, 109, 112, 555, 556, 563, 564, 572, 573, 576, 583, 584, 591, 593, 1103, 1104, 1105, 1111, 1112, 1124, 1632, 1637, 1642, 1643, 1648, 1653, 1654, 1655, 1656, 1657, 1660, 1661, 1662, 1671, 1672, 2184]

cp's OEIS Frontend

A183530 An Ulam-type sequence: a(n) = n if n<=7; for n>7, a(n) = least number > a(n-1) which is a unique sum of 7 distinct earlier terms.

Table of values

List of values