10053736

Appears in sequences

• a(n) is the least integer that can be expressed as the sum of one or more consecutive nonzero triangular numbers in exactly n ways.at n=3A334007
• a(n) is the least integer that can be expressed as the difference of two positive tetrahedral numbers in exactly n ways.at n=3A368076
• a(n) is the sum of n consecutive triangular numbers immediately preceding a triangular number T(k), which is also equal to the sum of n-1 consecutive triangular numbers immediately following T(k).at n=21A392441