A284311 - cp's OEIS frontend

A284311 Array T(n,k) read by antidiagonals (downward): T(1,k) = A005117(k+1) (squarefree numbers > 1); for n > 1, columns are nonsquarefree numbers (in ascending order) with exactly the same prime factors as T(1,k).

n	a(n)
1	2
2	3
3	4
4	5
5	9
6	8
7	6
8	25
9	27
10	16
11	7
12	12
13	125
14	81
15	32
16	10
17	49
18	18
19	625
20	243
21	64
22	11
23	20
24	343
25	24
26	3125
27	729
28	128
29	13
30	121
31	40
32	2401
33	36
34	15625
35	2187
36	256
37	14
38	169
39	1331
40	50
41	16807
42	48
43	78125
44	6561
45	512
46	15
47	28
48	2197
49	14641
50	80
51	117649
52	54
53	390625
54	19683
55	1024

[2, 3, 4, 5, 9, 8, 6, 25, 27, 16, 7, 12, 125, 81, 32, 10, 49, 18, 625, 243, 64, 11, 20, 343, 24, 3125, 729, 128, 13, 121, 40, 2401, 36, 15625, 2187, 256, 14, 169, 1331, 50, 16807, 48, 78125, 6561, 512, 15, 28, 2197, 14641, 80, 117649, 54, 390625, 19683, 1024]

cp's OEIS Frontend

A284311 Array T(n,k) read by antidiagonals (downward): T(1,k) = A005117(k+1) (squarefree numbers > 1); for n > 1, columns are nonsquarefree numbers (in ascending order) with exactly the same prime factors as T(1,k).

Table of values

List of values