A342713 - cp's OEIS frontend

A342713 Partition the integers from 1 to n into three groups with consecutive numbers, then a(n) is the maximum value of the sum of the numbers in the second group multiplied by the minimum of the sum of the numbers in the first and third groups.

n	a(n)
3	2
4	9
5	21
6	54
7	90
8	144
9	234
10	350
11	504
12	714
13	950
14	1350
15	1764
16	2156
17	2772
18	3500
19	4374
20	5390
21	6380
22	7812
23	9504
24	10890
25	12740
26	14850
27	17442
28	20475
29	23100
30	26334
31	30444
32	34320
33	38709
34	43146
35	48510
36	55250
37	61047
38	66780
39	74925
40	83600
41	92169
42	100485
43	109350
44	121512
45	133331
46	144000
47	156195
48	171171

[2, 9, 21, 54, 90, 144, 234, 350, 504, 714, 950, 1350, 1764, 2156, 2772, 3500, 4374, 5390, 6380, 7812, 9504, 10890, 12740, 14850, 17442, 20475, 23100, 26334, 30444, 34320, 38709, 43146, 48510, 55250, 61047, 66780, 74925, 83600, 92169, 100485, 109350, 121512, 133331, 144000, 156195, 171171]

cp's OEIS Frontend

A342713 Partition the integers from 1 to n into three groups with consecutive numbers, then a(n) is the maximum value of the sum of the numbers in the second group multiplied by the minimum of the sum of the numbers in the first and third groups.

Table of values

List of values