A337975 - OEIS

A337975

Multiplication table from A337946, read by antidiagonals.

1, 3, 3, 7, 9, 7, 12, 21, 21, 12, 22, 36, 49, 36, 22, 30, 66, 84, 84, 66, 30, 47, 90, 154, 144, 154, 90, 47, 61, 141, 210, 264, 264, 210, 141, 61, 85, 183, 329, 360, 484, 360, 329, 183, 85, 113, 255, 427, 564, 660, 660, 564, 427, 255, 113, 126, 339, 595, 732, 1034, 900, 1034, 732, 595, 339, 126

(list; table; graph; refs; listen; history; text; internal format)

OFFSET

1,2

LINKS

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

EXAMPLE

Multiplication table for A337946 begins:

* | 1 3 7 12 22 30 47 61 85

-----+-----------------------------------------

1 | 1 3 7 12 22 30 47 61 85

3 | 3 9 21 36 66 90 141 183 255

7 | 7 21 49 84 154 210 329 427 595

12 | 12 36 84 144 264 360 564 732 1020

22 | 22 66 154 264 484 660 1034 1342 1870

30 | 30 90 210 360 660 900 1410 1830 2550

47 | 47 141 329 564 1034 1410 2209 2867 3995

61 | 61 183 427 732 1342 1830 2867 3721 5185

85 | 85 255 595 1020 1870 2550 3995 5185 7225

CROSSREFS

Cf. A337662, A337946, A338017, A338034.

Cf. A337973 (addition), A337974 (read by rows).

Sequence in context: A213942 A144554 A177936 * A143088 A360875 A131036

Adjacent sequences: A337972 A337973 A337974 * A337976 A337977 A337978

KEYWORD

nonn,tabl

AUTHOR

Peter Kagey, Oct 05 2020

STATUS

approved