A286615 Square array A(n,k) = A276945(n,k)-1, read by descending antidiagonals: A(1,1), A(1,2), A(2,1), A(1,3), A(2,2), A(3,1), etc.

0, 1, 2, 5, 7, 3, 29, 35, 11, 4, 209, 239, 59, 13, 6, 2309, 2519, 419, 65, 31, 8, 30029, 32339, 4619, 449, 215, 37, 9, 510509, 540539, 60059, 4829, 2339, 245, 41, 10, 9699689, 10210199, 1021019, 62369, 30239, 2549, 269, 43, 12, 223092869, 232792559, 19399379, 1051049, 512819, 32549, 2729, 275, 61, 14

Offset: 1

Author

Antti Karttunen, Jun 30 2017

Keywords

• nonn
• tabl

Comments

A permutation of nonnegative integers.

Examples

			The top left 8 X 15 corner of the array:
   0,  1,   5,   29,   209,    2309,    30029,    510509
   2,  7,  35,  239,  2519,   32339,   540539,  10210199
   3, 11,  59,  419,  4619,   60059,  1021019,  19399379
   4, 13,  65,  449,  4829,   62369,  1051049,  19909889
   6, 31, 215, 2339, 30239,  512819,  9729719, 223603379
   8, 37, 245, 2549, 32549,  542849, 10240229, 233303069
   9, 41, 269, 2729, 34649,  570569, 10720709, 242492249
  10, 43, 275, 2759, 34859,  572879, 10750739, 243002759
  12, 61, 425, 4649, 60269, 1023329, 19429409, 446696249
  14, 67, 455, 4859, 62579, 1053359, 19939919, 456395939
  15, 71, 479, 5039, 64679, 1081079, 20420399, 465585119
  16, 73, 485, 5069, 64889, 1083389, 20450429, 466095629
  17, 89, 629, 6929, 90089, 1531529, 29099069, 669278609
  18, 91, 635, 6959, 90299, 1533839, 29129099, 669789119
  19, 95, 659, 7139, 92399, 1561559, 29609579, 678978299
		

Links

• Antti Karttunen, Table of n, a(n) for n = 1..630; the first 35 antidiagonals of array
• Index entries for sequences that are permutations of the natural numbers
• Index entries for sequences related to primorial base

Crossrefs

Transpose: A286616.

One less than A276945.

Row 1: A057588.

Programs

Scheme

(define (A286615 n) (A286615bi (A002260 n) (A004736 n)))
(define (A286615bi row col) (+ -1 (A276945bi row col))) ;; For A276945bi see under A276945.

Formula

A(n,k) = A276945(n,k)-1.