A337973 Addition table from A337946, read by antidiagonals.

2, 4, 4, 8, 6, 8, 13, 10, 10, 13, 23, 15, 14, 15, 23, 31, 25, 19, 19, 25, 31, 48, 33, 29, 24, 29, 33, 48, 62, 50, 37, 34, 34, 37, 50, 62, 86, 64, 54, 42, 44, 42, 54, 64, 86, 114, 88, 68, 59, 52, 52, 59, 68, 88, 114, 127, 116, 92, 73, 69, 60, 69, 73, 92, 116, 127

Offset: 1

Author

Peter Kagey, Oct 05 2020

Keywords

• nonn
• tabl

Examples

			Addition table for A337946 begins:
  +  |  1  3  7 12  22  30  47  61  85
-----+--------------------------------
   1 |  2  4  8 13  23  31  48  62  86
   3 |  4  6 10 15  25  33  50  64  88
   7 |  8 10 14 19  29  37  54  68  92
  12 | 13 15 19 24  34  42  59  73  97
  22 | 23 25 29 34  44  52  69  83 107
  30 | 31 33 37 42  52  60  77  91 115
  47 | 48 50 54 59  69  77  94 108 132
  61 | 62 64 68 73  83  91 108 122 146
  85 | 86 88 92 97 107 115 132 146 170
		

Links

• Peter Kagey, Table of n, a(n) for n = 1..10011 (first 141 antidiagonals, flattened)

Crossrefs

Cf. A337660, A337946, A338015, A338032.

Cf. A337972 (by rows), A337975 (multiplication).