A022905 - cp's OEIS frontend

A022905 a(n) = M(n) + m(n) for n >= 2, where M(n) = max{ a(i) + a(n-i): i = 1..n-1 }, m(n) = min{ a(i) + a(n-i): i = 1..n-1 }.

n	a(n)
1	1
2	4
3	10
4	19
5	34
6	55
7	85
8	124
9	178
10	247
11	337
12	448
13	589
14	760
15	970
16	1219
17	1522
18	1879
19	2305
20	2800
21	3385
22	4060
23	4846
24	5743
25	6781
26	7960
27	9310
28	10831
29	12562
30	14503
31	16693
32	19132
33	21874
34	24919
35	28321
36	32080
37	36265
38	40876
39	45982
40	51583
41	57769

[1, 4, 10, 19, 34, 55, 85, 124, 178, 247, 337, 448, 589, 760, 970, 1219, 1522, 1879, 2305, 2800, 3385, 4060, 4846, 5743, 6781, 7960, 9310, 10831, 12562, 14503, 16693, 19132, 21874, 24919, 28321, 32080, 36265, 40876, 45982, 51583, 57769]

cp's OEIS Frontend

A022905 a(n) = M(n) + m(n) for n >= 2, where M(n) = max{ a(i) + a(n-i): i = 1..n-1 }, m(n) = min{ a(i) + a(n-i): i = 1..n-1 }.

Table of values

List of values