A078261 - cp's OEIS frontend

A078261 a(n) = numerator(N) where N = 0.246...(2n) is the concatenation of the first n even numbers after the decimal point.

n	a(n)
1	1
2	6
3	123
4	617
5	24681
6	6170253
7	1234050607
8	30851265177
9	12340506070809
10	123405060708091
11	123405060708091011
12	1542563258851137639
13	1234050607080910111213
14	61702530354045505560657
15	2468101214161820222426283
16	308512651770227527803285379
17	123405060708091011121314151617

[1, 6, 123, 617, 24681, 6170253, 1234050607, 30851265177, 12340506070809, 123405060708091, 123405060708091011, 1542563258851137639, 1234050607080910111213, 61702530354045505560657, 2468101214161820222426283, 308512651770227527803285379, 123405060708091011121314151617]

cp's OEIS Frontend

A078261 a(n) = numerator(N) where N = 0.246...(2n) is the concatenation of the first n even numbers after the decimal point.

Table of values

List of values