A338017 Multiplication table of A338012, read by antidiagonals.

0, 0, 0, 0, 9, 0, 0, 12, 12, 0, 0, 30, 16, 30, 0, 0, 54, 40, 40, 54, 0, 0, 69, 72, 100, 72, 69, 0, 0, 102, 92, 180, 180, 92, 102, 0, 0, 165, 136, 230, 324, 230, 136, 165, 0, 0, 201, 220, 340, 414, 414, 340, 220, 201, 0, 0, 279, 268, 550, 612, 529, 612, 550, 268, 279, 0

Offset

1,5

Links

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

Example

Multiplication table begins:
   * | 0   3   4  10   18   23   34   55   67
-----+---------------------------------------
   0 | 0   0   0   0    0    0    0    0    0
   3 | 0   9  12  30   54   69  102  165  201
   4 | 0  12  16  40   72   92  136  220  268
  10 | 0  30  40 100  180  230  340  550  670
  18 | 0  54  72 180  324  414  612  990 1206
  23 | 0  69  92 230  414  529  782 1265 1541
  34 | 0 102 136 340  612  782 1156 1870 2278
  55 | 0 165 220 550  990 1265 1870 3025 3685
  67 | 0 201 268 670 1206 1541 2278 3685 4489

Crossrefs

Cf. A338012, A338015 (addition table), A338016 (by rows).

Cf. A337662, A337975.

Sequence in context: A176908 A005083 A050453 * A341808 A340946 A255292

Adjacent sequences: A338014 A338015 A338016 * A338018 A338019 A338020

Keyword

nonn,tabl

Author

Peter Kagey, Oct 06 2020

Status

approved