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A103252 Array A000292(n)*A000217(k), read by antidiagonals. 0

%I

%S 1,4,3,10,12,6,20,30,24,10,35,60,60,40,15,56,105,120,100,60,21,84,168,

%T 210,200,150,84,28,120,252,336,350,300,210,112,36,165,360,504,560,525,

%U 420,280,144,45

%N Array A000292(n)*A000217(k), read by antidiagonals.

%e Array begins

%e 1, 3, 6, 10, 15, 21, 28, 36, 45, 55, ...

%e 4, 12, 24, 40, 60, 84, 112, 144, 180, 220, ...

%e 10, 30, 60, 100, 150, 210, 280, 360, 450, 550, ...

%e 20, 60, 120, 200, 300, 420, 560, 720, 900, 1100, ...

%e 35, 105, 210, 350, 525, 735, 980, 1260, 1575, 1925, ...

%e ...

%Y Cf. A000579 (antidiagonal sums).

%K nonn,tabl,easy

%O 1,2

%A _Gary W. Adamson_, Mar 20 2005

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Last modified August 7 23:50 EDT 2022. Contains 355995 sequences. (Running on oeis4.)