Sum of 13th and 56th term.

Without any additional information or context about the sequence, it is impossible to determine the sum of the 13th and 56th term. We need to know the formula or pattern of the sequence to calculate these terms.

To find the sum of the 13th and 56th terms of a sequence, we need to know the formula or pattern of the sequence. Without this information, it is not possible to determine the exact values of these terms or find their sum. Please provide more information about the sequence or the formula used to generate it.