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A276609 Transpose of square array A276610. 3
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 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,2

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.

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

EXAMPLE

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

PROG

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

CROSSREFS

Transpose: A276610.

Cf. also A257514.

Sequence in context: A178310 A210697 A085020 * A292591 A240760 A207635

Adjacent sequences:  A276606 A276607 A276608 * A276610 A276611 A276612

KEYWORD

nonn,tabl

AUTHOR

Antti Karttunen, Sep 13 2016

STATUS

approved

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Last modified October 15 17:45 EDT 2021. Contains 348033 sequences. (Running on oeis4.)