OFFSET
1,2
LINKS
Peter Kagey, Table of n, a(n) for n = 1..10011 (first 141 antidiagonals, flattened)
EXAMPLE
Addition table begins:
+ | 0 3 4 10 18 23 34 55 67
-----+-------------------------------
0 | 0 3 4 10 18 23 34 55 67
3 | 3 6 7 13 21 26 37 58 70
4 | 4 7 8 14 22 27 38 59 71
10 | 10 13 14 20 28 33 44 65 77
18 | 18 21 22 28 36 41 52 73 85
23 | 23 26 27 33 41 46 57 78 90
34 | 34 37 38 44 52 57 68 89 101
55 | 55 58 59 65 73 78 89 110 122
67 | 67 70 71 77 85 90 101 122 134
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Peter Kagey, Oct 06 2020
STATUS
approved