A090964 - OEIS

A090964

Permutation of natural numbers generated by 2-rowed array shown below.

1, 4, 2, 5, 3, 8, 6, 9, 7, 12, 10, 13, 11, 16, 14, 17, 15, 20, 18, 21, 19, 24, 22, 25, 23, 28, 26, 29, 27, 32, 30, 33, 31, 36, 34, 37, 35, 40, 38, 41, 39, 44, 42, 45, 43, 48, 46, 49, 47, 52, 50, 53, 51, 56, 54, 57, 55, 60, 58, 61, 59, 64, 62, 65, 63, 68, 66, 69, 67, 72, 70, 73

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,2

COMMENTS

1 4 5 8 9 12 13 16 17 20...(A042948)

2 3 6 7 10 11 14 15 18 19...(A042964)

LINKS

Table of n, a(n) for n=0..71.

FORMULA

For n > 1, a(n+8) = a(n)+8. - David Wasserman, Feb 23 2006

CROSSREFS

Sequence in context: A199855 A127914 A218035 * A219159 A213928 A065189