A065759 - cp's OEIS frontend

A065759 For a number k of length L, let f(k) be the sum of the products of the first i digits of k multiplied by the last L-i digits, for i from 1 to L-1, e.g., f(1234) = 1234 + 1234 + 123*4 = 1134. Sequence gives k such that f(k) = k.

n	a(n)
1	0
2	655
3	1461
4	1642
5	2361
6	3442
7	6550
8	14610
9	16420
10	23610
11	34420
12	65500
13	146100
14	164200
15	236100
16	344200
17	655000
18	1461000
19	1642000
20	2361000
21	3442000
22	6550000
23	14610000
24	16420000
25	23610000
26	34420000
27	65500000
28	146100000
29	164200000
30	236100000
31	344200000

[0, 655, 1461, 1642, 2361, 3442, 6550, 14610, 16420, 23610, 34420, 65500, 146100, 164200, 236100, 344200, 655000, 1461000, 1642000, 2361000, 3442000, 6550000, 14610000, 16420000, 23610000, 34420000, 65500000, 146100000, 164200000, 236100000, 344200000]

cp's OEIS Frontend

A065759 For a number k of length L, let f(k) be the sum of the products of the first i digits of k multiplied by the last L-i digits, for i from 1 to L-1, e.g., f(1234) = 1234 + 1234 + 123*4 = 1134. Sequence gives k such that f(k) = k.

Table of values

List of values

cp's OEIS Frontend

A065759 For a number k of length L, let f(k) be the sum of the products of the first i digits of k multiplied by the last L-i digits, for i from 1 to L-1, e.g., f(1234) = 1*234 + 12*34 + 123*4 = 1134. Sequence gives k such that f(k) = k.

Table of values

List of values

A065759 For a number k of length L, let f(k) be the sum of the products of the first i digits of k multiplied by the last L-i digits, for i from 1 to L-1, e.g., f(1234) = 1234 + 1234 + 123*4 = 1134. Sequence gives k such that f(k) = k.