71975

Appears in sequences

• a(n) is the smallest positive integer which can be represented as the sum of distinct nonzero n-gonal pyramidal numbers in exactly n ways, or 0 if no such integer exists.at n=26A350210
• Number of rooted binary normal unlabeled galled trees with n leaves and exactly 1 gall.at n=13A380256
• Irregular triangle read by rows: T(n,k) is the number of rooted binary normal unlabeled galled trees with n leaves and exactly k galls, 0 <= k <= floor((n-1)/2).at n=43A380306