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

Author

Antti Karttunen, Aug 21 2014

Keywords

• nonn
• tabl

Examples

			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,   ...
  ...
		

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

Crossrefs

Inverse permutation: A246276.

Transpose: A246273.

One less than A246278.

Related permutations: A038722, A246675, A246676.

Cf. also A003961.

Programs

Scheme

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

Formula

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

As a composition of related permutations:

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

Extensions

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