A277809 Transpose of square array A277810.

2, 3, 6, 30, 15, 10, 5, 14, 21, 210, 70, 35, 462, 1155, 22, 105, 330, 55, 910, 39, 858, 42, 33, 2002, 5005, 72930, 3315, 1870, 7, 770, 2145, 714, 85, 2926, 5187, 9699690, 154, 77, 390, 3927, 248710, 11305, 238602, 111546435, 46, 231, 546, 91, 3094, 440895, 152490, 21505, 93763670, 87, 4002, 2310, 1365, 170170, 17017, 114114, 9867, 2306486, 1078282205, 620310, 13485, 7130

Offset: 1

Author

Antti Karttunen, Nov 01 2016

Keywords

• nonn
• tabl

Comments

See A277810.

Examples

			The top left corner of the array:
     2,    3,     30,     5,      70,     105,     42,     7,       154
     6,   15,     14,    35,     330,      33,    770,    77,       546
    10,   21,    462,    55,    2002,    2145,    390,    91,    170170
   210, 1155,    910,  5005,     714,    3927,   3094, 17017,       570
    22,   39,  72930,    85,  248710,  440895, 114114,   133,      6118
   858, 3315,   2926, 11305,  152490,    9867, 520030, 33649,    254562
  1870, 5187, 238602, 21505, 2306486, 1870935, 162690, 50141, 357505330
		

Links

• Antti Karttunen, Table of n, a(n) for n = 1..1275; the first 50 antidiagonals of the array

Crossrefs

Transpose: A277810.

The topmost row: A277811, the leftmost column: A123098.

Permutation of squarefree numbers (A005117) after their initial term 1.

Cf. A019565, A277819.

Programs

Scheme

(define (A277809 n) (A277810bi (A004736 n) (A002260 n))) ;; Code for A277810bi given in A277810.

Formula

A(r,c) = A019565(A277819(r,c)).