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A246275 Square array A246278 minus 1. 9
1, 3, 2, 5, 8, 4, 7, 14, 24, 6, 9, 26, 34, 48, 10, 11, 20, 124, 76, 120, 12, 13, 44, 54, 342, 142, 168, 16, 15, 32, 174, 90, 1330, 220, 288, 18, 17, 80, 64, 538, 186, 2196, 322, 360, 22, 19, 74, 624, 118, 1572, 246, 4912, 436, 528, 28, 21, 62, 244, 2400, 208, 2872, 390, 6858, 666, 840, 30 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Antti Karttunen, Table of n, a(n) for n = 1..2080; the first 64 antidiagonals of the array

Index entries for sequences that are permutations of the natural numbers

FORMULA

a(n) = A246278(n+1)-1.

As a composition of related permutations:

a(n) = A246273(A038722(n)).

EXAMPLE

The top-left corner of the array:

   1,     3,     5,     7,     9,    11,    13,    15,    17,   ...

   2,     8,    14,    26,    20,    44,    32,    80,    74,   ...

   4,    24,    34,   124,    54,   174,    64,   624,   244,   ...

   6,    48,    76,   342,    90,   538,   118,  2400,   846,   ...

  10,   120,   142,  1330,   186,  1572,   208, 14640,  1858,   ...

  12,   168,   220,  2196,   246,  2872,   298, 28560,  3756,   ...

  ...

PROG

(Scheme) (define (A246275 n) (- (A246278 (+ 1 n)) 1))

CROSSREFS

Inverse permutation: A246276.

Transpose: A246273.

One less than A246278.

Related permutations: A038722, A246675, A246676.

Cf. also A003961.

Sequence in context: A223544 A132776 A249741 * A209757 A208932 A189951

Adjacent sequences:  A246272 A246273 A246274 * A246276 A246277 A246278

KEYWORD

nonn,tabl

AUTHOR

Antti Karttunen, Aug 21 2014

EXTENSIONS

Formula edited slightly because of changed starting offset of A246278. - Antti Karttunen, Jan 27 2015

STATUS

approved

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Last modified December 2 12:01 EST 2021. Contains 349440 sequences. (Running on oeis4.)