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A337975
Multiplication table from A337946, read by antidiagonals.
5
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
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. A337973 (addition), A337974 (read by rows).
Sequence in context: A213942 A144554 A177936 * A143088 A360875 A131036
KEYWORD
nonn,tabl
AUTHOR
Peter Kagey, Oct 05 2020
STATUS
approved