A276609 Transpose of square array A276610.

1, 2, 5, 2, 10, 9, 4, 12, 20, 13, 2, 24, 24, 28, 17, 4, 18, 44, 36, 38, 21, 6, 28, 30, 66, 48, 46, 25, 2, 44, 54, 46, 90, 58, 56, 29, 4, 22, 84, 84, 60, 114, 68, 64, 33, 8, 38, 40, 122, 104, 74, 136, 82, 74, 37, 4, 48, 60, 54, 156, 136, 86, 152, 92, 82, 41, 2, 40, 116, 94, 76, 194, 162, 106, 174, 102, 92, 45

Offset: 1

Author

Antti Karttunen, Sep 13 2016

Keywords

• nonn
• tabl

Comments

The array is read by descending antidiagonals as A(1,1), A(1,2), A(2,1), A(1,3), A(2,2), A(3,1), ...

See A276610.

Examples

			The top left 16 x 15 corner of the array:
   1,   2,   2,   4,   2,   4,   6,   2,   4,   8,   4,   2,   4,   6,   8
   5,  10,  12,  24,  18,  28,  44,  22,  38,  48,  40,  24,  38,  58,  60
   9,  20,  24,  44,  30,  54,  84,  40,  60, 116,  76,  38,  70, 102, 134
  13,  28,  36,  66,  46,  84, 122,  54,  94, 162, 104,  52, 116, 142, 204
  17,  38,  48,  90,  60, 104, 156,  76, 120, 236, 136,  62, 148, 194, 256
  21,  46,  58, 114,  74, 136, 194,  90, 150, 288, 166, 108, 164, 234, 322
  25,  56,  68, 136,  86, 162, 234, 102, 190, 336, 194, 124, 210, 290, 390
  29,  64,  82, 152, 106, 180, 282, 122, 210, 406, 212, 148, 240, 348, 446
  33,  74,  92, 174, 120, 210, 316, 144, 240, 446, 270, 150, 270, 408, 498
  37,  82, 102, 202, 128, 238, 348, 164, 270, 510, 298, 182, 300, 436, 578
  41,  92, 114, 222, 150, 260, 388, 180, 302, 576, 318, 198, 354, 460, 642
  45, 100, 126, 244, 162, 288, 428, 198, 330, 622, 356, 222, 388, 524, 684
  49, 110, 138, 264, 174, 318, 464, 210, 364, 680, 382, 242, 414, 576, 774
  53, 118, 148, 284, 192, 346, 504, 230, 390, 738, 412, 260, 448, 630, 828
  57, 128, 158, 310, 204, 366, 548, 240, 430, 786, 462, 272, 474, 696, 870
  61, 136, 172, 330, 216, 396, 584, 264, 456, 844, 492, 300, 504, 726, 948
		

Links

• Antti Karttunen, Table of n, a(n) for n = 1..5050; the first 100 antidiagonals of array
• Index entries for sequences generated by sieves

Crossrefs

Transpose: A276610.

Cf. also A257514.

Programs

Scheme

(define (A276609 n) (A276610bi (A004736 n) (A002260 n))) ;; Code for A276610bi given in A276610.