cp's OEIS Frontend

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.

%I A286615 #7 Jul 01 2017 23:02:41
%S A286615 0,1,2,5,7,3,29,35,11,4,209,239,59,13,6,2309,2519,419,65,31,8,30029,
%T A286615 32339,4619,449,215,37,9,510509,540539,60059,4829,2339,245,41,10,
%U A286615 9699689,10210199,1021019,62369,30239,2549,269,43,12,223092869,232792559,19399379,1051049,512819,32549,2729,275,61,14
%N 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.
%C A286615 A permutation of nonnegative integers.
%H A286615 Antti Karttunen, <a href="/A286615/b286615.txt">Table of n, a(n) for n = 1..630; the first 35 antidiagonals of array</a>
%H A286615 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a>
%H A286615 <a href="/index/Pri#primorialbase">Index entries for sequences related to primorial base</a>
%F A286615 A(n,k) = A276945(n,k)-1.
%e A286615 The top left 8 X 15 corner of the array:
%e A286615    0,  1,   5,   29,   209,    2309,    30029,    510509
%e A286615    2,  7,  35,  239,  2519,   32339,   540539,  10210199
%e A286615    3, 11,  59,  419,  4619,   60059,  1021019,  19399379
%e A286615    4, 13,  65,  449,  4829,   62369,  1051049,  19909889
%e A286615    6, 31, 215, 2339, 30239,  512819,  9729719, 223603379
%e A286615    8, 37, 245, 2549, 32549,  542849, 10240229, 233303069
%e A286615    9, 41, 269, 2729, 34649,  570569, 10720709, 242492249
%e A286615   10, 43, 275, 2759, 34859,  572879, 10750739, 243002759
%e A286615   12, 61, 425, 4649, 60269, 1023329, 19429409, 446696249
%e A286615   14, 67, 455, 4859, 62579, 1053359, 19939919, 456395939
%e A286615   15, 71, 479, 5039, 64679, 1081079, 20420399, 465585119
%e A286615   16, 73, 485, 5069, 64889, 1083389, 20450429, 466095629
%e A286615   17, 89, 629, 6929, 90089, 1531529, 29099069, 669278609
%e A286615   18, 91, 635, 6959, 90299, 1533839, 29129099, 669789119
%e A286615   19, 95, 659, 7139, 92399, 1561559, 29609579, 678978299
%o A286615 (Scheme)
%o A286615 (define (A286615 n) (A286615bi (A002260 n) (A004736 n)))
%o A286615 (define (A286615bi row col) (+ -1 (A276945bi row col))) ;; For A276945bi see under A276945.
%Y A286615 Transpose: A286616.
%Y A286615 One less than A276945.
%Y A286615 Row 1: A057588.
%K A286615 nonn,tabl
%O A286615 1,3
%A A286615 _Antti Karttunen_, Jun 30 2017