A278355 - cp's OEIS frontend

A278355 a(n) = sum of the perimeters of the Ferrers boards of the partitions of n. Also, sum of the perimeters of the diagrams of the regions of the set of partitions of n.

n	a(n)
0	0
1	4
2	12
3	24
4	48
5	80
6	140
7	216
8	344
9	512
10	768
11	1100
12	1596
13	2224
14	3120
15	4272
16	5852
17	7860
18	10576
19	13992
20	18520
21	24208
22	31596
23	40824
24	52696
25	67404
26	86088
27	109176
28	138180
29	173812
30	218252
31	272540
32	339708
33	421464
34	521848
35	643504
36	792056
37	971248
38	1188804
39	1450348
40	1766184
41	2144416
42	2599164
43	3141748
44	3791248
45	4563780

[0, 4, 12, 24, 48, 80, 140, 216, 344, 512, 768, 1100, 1596, 2224, 3120, 4272, 5852, 7860, 10576, 13992, 18520, 24208, 31596, 40824, 52696, 67404, 86088, 109176, 138180, 173812, 218252, 272540, 339708, 421464, 521848, 643504, 792056, 971248, 1188804, 1450348, 1766184, 2144416, 2599164, 3141748, 3791248, 4563780]

cp's OEIS Frontend

A278355 a(n) = sum of the perimeters of the Ferrers boards of the partitions of n. Also, sum of the perimeters of the diagrams of the regions of the set of partitions of n.

Table of values

List of values