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%I #8 Mar 26 2022 14:30:14

%S 1,2,2,2,0,3,3,4,0,4,2,0,0,0,5,4,4,6,0,0,6,2,0,0,0,0,0,7,4,6,0,8,0,0,

%T 0,8,3,0,6,0,0,0,0,0,9,4,4,0,0,10,0,0,0,0,10

%N A127170 * A127648.

%C Row sums = A007429: (1, 4, 5, 11, 7, 20, 9, 26, ...).

%C Left border = A000005: (1, 2, 2, 3, 2, 4, 2, ...).

%C A134577 * [1/1, 1/2, 1/3, ...] = A007425: (1, 3, 3, 6, 3, 9, 3, 10, ...).

%C A134577 * [1, 2, 3, ...] = A007433: (1, 6, 11, 27, 27, 66, ...).

%C A134577 * A000005 = A034761: (1, 6, 8, 23, 12, 48, ...).

%F A127170 * A127648 = A051731^2 * A127648 = A051731 * A127093.

%e First few rows of the triangle:

%e 1;

%e 2, 2;

%e 2, 0, 3;

%e 3, 4, 0, 4;

%e 2, 0, 0, 0, 5

%e 4, 4, 6, 0, 0, 6;

%e 2, 0, 0, 0, 0, 0, 7;

%e 4, 6, 0, 8, 0, 0, 0, 8;

%e ...

%Y Cf. A051731, A127170, A127648, A127093, A007429, A127170, A007433, A034761.

%K nonn,tabl,more

%O 1,2

%A _Gary W. Adamson_, Nov 02 2007