

A088117


Let the decimal expansion of n be abcd...; then a(n) = {a*bcd... + b*acd... + c*abc... + ...} + {ab*cd} + ... . That is, a(n)=sum over all the digit strings of the product (number obtained by deleting a digit string) * (deleted digit string).


3



0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 0, 3, 6, 9, 12, 15, 18, 21, 24, 27, 0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 0, 5, 10, 15, 20, 25, 30, 35, 40, 45, 0
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