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A124220
Transpose table A123685 then subtract, term by term, from table A047969.
1
0, 1, 0, 0, 2, 0, 1, 1, 4, 0, 0, 5, 5, 8, 0, 1, 2, 23, 19, 16, 0, 0, 8, 18, 101, 65, 32, 0, 1, 3, 58, 110, 431, 211, 64, 0
OFFSET
1,5
FORMULA
A124220(n) = A047969(n) - Trn(A123685).
EXAMPLE
Row six of A047969 is 1 9 37 65 31 1
Row six of A123685^T is 0 7 14 46 15 1
so row six of a(n) is 1 2 23 19 16 0
CROSSREFS
The sequence of row sums is 0 1 2 6 18 61 224 ... = A123639. The sequence of row sums for table A123685 is 1 1 3 8 25 83 299 ... = A123638. The sequence of row sums for table A047969 is 1 2 5 14 43 144 523 ... = A047970
Sequence in context: A293135 A321376 A102210 * A221755 A354666 A110298
KEYWORD
easy,nonn,tabl
AUTHOR
Alford Arnold, Oct 29 2006
STATUS
approved