112420

Appears in sequences

• Even hexagonal pyramidal numbers.at n=26A015226
• Numbers with property that both the digit sum and the sum of the prime factors (counted with multiplicity) have only digits 0 and 1 in base 10.at n=30A297614
• Number of unlabeled trees on n nodes with maximum degree three and three vertices of degree three.at n=25A355024
• Lesser of a pair of amicable numbers k < m such that s(k) = m and s(m) = k, where s(k) = A380845(k) - k is the sum of aliquot divisors of k that have the same binary weight as k.at n=1A380849