cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A338017 Multiplication table of A338012, read by antidiagonals.

Original entry on oeis.org

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

Views

Author

Peter Kagey, Oct 06 2020

Keywords

Examples

			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).