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A346453
The array in A054238 read by upward antidiagonals.
1
0, 2, 1, 8, 3, 4, 10, 9, 6, 5, 32, 11, 12, 7, 16, 34, 33, 14, 13, 18, 17, 40, 35, 36, 15, 24, 19, 20, 42, 41, 38, 37, 26, 25, 22, 21, 128, 43, 44, 39, 48, 27, 28, 23, 64, 130, 129, 46, 45, 50, 49, 30, 29, 66, 65, 136, 131, 132, 47, 56, 51, 52, 31, 72, 67, 68
OFFSET
0,2
COMMENTS
See A054238 for further information.
EXAMPLE
The top left corner of the array is:
0 1 4 5 16 17 20 21
2 3 6 7 18 19 22 23
8 9 12 13 24 25 28 29
10 11 14 15 26 27 30 31
32 33 36 37 48 49 52 53
34 35 38 39 50 51 54 55
40 41 44 45 56 57 60 61
42 43 46 47 58 59 62 63
CROSSREFS
Cf. A054238 (by downward antidiagonals).
Sequence in context: A082834 A075647 A334474 * A258243 A258247 A085470
KEYWORD
nonn,easy,tabl
AUTHOR
Jasper Brown, Jul 19 2021
STATUS
approved