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A088520 Permutation of natural numbers generated by 3-rowed array shown below. 7
1, 5, 2, 7, 4, 3, 11, 8, 6, 13, 10, 9, 17, 14, 12, 19, 16, 15, 23, 20, 18, 25, 22, 21, 29, 26, 24, 31, 28, 27, 35, 32, 30, 37, 34, 33, 41, 38, 36, 43, 40, 39, 47, 44, 42, 49, 46, 45, 53, 50, 48, 55, 52, 51, 59, 56, 54, 61, 58, 57, 65, 62, 60, 67, 64, 63, 71, 68, 66, 73, 70, 69 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

1 5 7 11 13 17 19 23 25 29 31 35 37 41 43...

2 4 8 10 14 16 20 22 26 28 32 34 38 40 44...

3 6 9 12 15 18 21 24 27 30 33 36 39 42 45...

REFERENCES

M. Cerasoli, F. Eugeni and M. Protasi, Elementi di Matematica Discreta, Bologna 1988

Emanuele Munarini and Norma Zagaglia Salvi, Matematica Discreta,UTET, CittaStudiEdizioni, Milano 1997

LINKS

Table of n, a(n) for n=1..72.

CROSSREFS

Cf. A090243, A090298, A092260, A113807.

Sequence in context: A196405 A093606 A064677 * A084340 A065925 A250720

Adjacent sequences:  A088517 A088518 A088519 * A088521 A088522 A088523

KEYWORD

easy,nonn

AUTHOR

Giovanni Teofilatto, Nov 14 2003

EXTENSIONS

Corrected and extended by Ray Chandler, Nov 16 2003

STATUS

approved

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Last modified October 17 14:25 EDT 2018. Contains 316281 sequences. (Running on oeis4.)