A087474 - cp's OEIS frontend

A087474 Triangle T(n,k), read by rows, in which the n-th row gives the n successive iterations of f(m) on A087473(n), where f(m) is product of the two numbers formed from the alternating digits of m.

n	a(n)
0	1
1	10
2	0
3	25
4	10
5	0
6	39
7	27
8	14
9	4
10	77
11	49
12	36
13	18
14	8
15	171
16	77
17	49
18	36
19	18
20	8
21	199
22	171
23	77
24	49
25	36
26	18
27	8
28	577
29	399
30	351
31	155
32	75
33	35
34	15
35	5
36	887
37	696
38	594
39	486
40	368
41	228
42	56
43	30
44	0
45	1592
46	988
47	784
48	592
49	468
50	288
51	224
52	48
53	32
54	6
55	2682
56	1736
57	988
58	784
59	592
60	468
61	288
62	224

[1, 10, 0, 25, 10, 0, 39, 27, 14, 4, 77, 49, 36, 18, 8, 171, 77, 49, 36, 18, 8, 199, 171, 77, 49, 36, 18, 8, 577, 399, 351, 155, 75, 35, 15, 5, 887, 696, 594, 486, 368, 228, 56, 30, 0, 1592, 988, 784, 592, 468, 288, 224, 48, 32, 6, 2682, 1736, 988, 784, 592, 468, 288, 224]

cp's OEIS Frontend

A087474 Triangle T(n,k), read by rows, in which the n-th row gives the n successive iterations of f(m) on A087473(n), where f(m) is product of the two numbers formed from the alternating digits of m.

Table of values

List of values