A337662 Multiplication table from A337655, read by antidiagonals.

1, 2, 2, 5, 4, 5, 7, 10, 10, 7, 15, 14, 25, 14, 15, 22, 30, 35, 35, 30, 22, 31, 44, 75, 49, 75, 44, 31, 50, 62, 110, 105, 105, 110, 62, 50, 68, 100, 155, 154, 225, 154, 155, 100, 68, 90, 136, 250, 217, 330, 330, 217, 250, 136, 90, 101, 180, 340, 350, 465, 484, 465, 350, 340, 180

Offset: 1

Author

N. J. A. Sloane, Oct 04 2020

Keywords

• nonn
• tabl

Examples

			The multiplication table from A337655 begins:
   1,   2,   5,   7,   15,   22,   31,   50,   68,   90, ...
   2,   4,  10,  14,   30,   44,   62,  100,  136,  180, ...
   5,  10,  25,  35,   75,  110,  155,  250,  340,  450, ...
   7,  14,  35,  49,  105,  154,  217,  350,  476,  630, ...
  15,  30,  75, 105,  225,  330,  465,  750, 1020, 1350, ...
  22,  44, 110, 154,  330,  484,  682, 1100, 1496, 1980, ...
  31,  62, 155, 217,  465,  682,  961, 1550, 2108, 2790, ...
  50, 100, 250, 350,  750, 1100, 1550, 2500, 3400, 4500, ...
  68, 136, 340, 476, 1020, 1496, 2108, 3400, 4624, 6120, ...
  90, 180, 450, 630, 1350, 1980, 2790, 4500, 6120, 8100, ...
  ...
		

Links

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

Crossrefs

Cf. A337655, A337659, A337661, A337662.