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A097284 Rectangular array T by antidiagonals: T(n,k) = rank of k-th n in A097283. 1
1, 3, 2, 5, 7, 4, 9, 11, 8, 6, 13, 15, 17, 12, 10, 19, 21, 23, 18, 16, 14, 25, 27, 29, 31, 24, 22, 20, 33, 35, 37, 39, 32, 30, 28, 26, 41, 43, 45, 47, 49, 40, 38, 36, 34, 51, 53, 55, 57, 59, 50, 48, 46, 44, 42, 61, 63, 65, 67, 69, 71, 60, 58, 56, 54, 52, 73, 75, 77, 79, 81, 83 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

As a sequence, this is a permutation of the natural numbers.

LINKS

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

EXAMPLE

Northwest corner:

1 3 5 9 13

2 7 11 15 21

4 8 17 23 29

6 12 18 31 39

CROSSREFS

Cf. A097283.

Sequence in context: A209140 A265903 A006369 * A276684 A105353 A115966

Adjacent sequences:  A097281 A097282 A097283 * A097285 A097286 A097287

KEYWORD

nonn,tabl

AUTHOR

Clark Kimberling, Aug 05 2004

STATUS

approved

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Last modified August 23 01:10 EDT 2019. Contains 326211 sequences. (Running on oeis4.)