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
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
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Antti Karttunen, Sep 13 2016
STATUS
approved