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A337662 Multiplication table from A337655, read by antidiagonals. 8

%I #13 Oct 05 2020 01:45:39

%S 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,

%T 75,44,31,50,62,110,105,105,110,62,50,68,100,155,154,225,154,155,100,

%U 68,90,136,250,217,330,330,217,250,136,90,101,180,340,350,465,484,465,350,340,180

%N Multiplication table from A337655, read by antidiagonals.

%H Peter Kagey, <a href="/A337662/b337662.txt">Table of n, a(n) for n = 1..10011</a> (first 141 antidiagonals, flattened)

%e The multiplication table from A337655 begins:

%e 1, 2, 5, 7, 15, 22, 31, 50, 68, 90, ...

%e 2, 4, 10, 14, 30, 44, 62, 100, 136, 180, ...

%e 5, 10, 25, 35, 75, 110, 155, 250, 340, 450, ...

%e 7, 14, 35, 49, 105, 154, 217, 350, 476, 630, ...

%e 15, 30, 75, 105, 225, 330, 465, 750, 1020, 1350, ...

%e 22, 44, 110, 154, 330, 484, 682, 1100, 1496, 1980, ...

%e 31, 62, 155, 217, 465, 682, 961, 1550, 2108, 2790, ...

%e 50, 100, 250, 350, 750, 1100, 1550, 2500, 3400, 4500, ...

%e 68, 136, 340, 476, 1020, 1496, 2108, 3400, 4624, 6120, ...

%e 90, 180, 450, 630, 1350, 1980, 2790, 4500, 6120, 8100, ...

%e ...

%Y Cf. A337655, A337659, A337661, A337662.

%K nonn,tabl

%O 1,2

%A _N. J. A. Sloane_, Oct 04 2020.

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Last modified June 28 02:17 EDT 2024. Contains 373761 sequences. (Running on oeis4.)