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A090964 Permutation of natural numbers generated by 2-rowed array shown below. 4
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

Adjacent sequences:  A090961 A090962 A090963 * A090965 A090966 A090967

KEYWORD

nonn

AUTHOR

Giovanni Teofilatto, Feb 29 2004

EXTENSIONS

More terms from David Wasserman, Feb 23 2006

STATUS

approved

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Last modified January 18 09:26 EST 2022. Contains 350454 sequences. (Running on oeis4.)