A246275 Square array A246278 minus 1.

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

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: A132776 A367208 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