72472

Appears in sequences

• Concatenating n with n+1 (in base 10) gives a number which is the product of 2 palindromes.at n=34A113942
• Number of formula representations of n using addition, exponentiation and the constant 1.at n=11A214843
• a(0) = 10; for n>0, a(n) is determined by the rule that the concatenation of the leading terms of the difference triangle is the same as the concatenation of the digits of the sequence, with a one-digit delay between the two concatenations.at n=5A309357
• Number of (binary) max-heaps on n elements from the set {0,1} containing exactly seven 0's.at n=30A326508
• Numbers k such that at least 7 of k, k+1, ..., k+9 are divisible by their least prime factor squared.at n=7A328817
• Number of tilings of a 5 X n rectangle using n pentominoes of shapes N, U, Z.at n=35A358933