37873

Appears in sequences

• Numbers that are palindromic, divisible by 11 and have an odd number of digits.at n=33A045571
• Palindromes with exactly 3 palindromic prime factors (counted with multiplicity).at n=22A046377
• Number of binary rooted trees with n nodes and internal path length n.at n=49A108643
• Number of (n+2)X(5+2) 0..1 arrays with each row and column divisible by 7, read as a binary number with top and left being the most significant bits.at n=4A262317
• T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with each row and column divisible by 7, read as a binary number with top and left being the most significant bits.at n=40A262319
• Composite palindromes whose divisors > 1 are all nontrivial palindromes (i.e., palindromes with at least two digits).at n=20A329100
• T(n,m) is the numerator of the resistance between two diametrically opposite nodes of a rectangular electric network of n*m quadratic cells in which all edges are replaced by one-ohm resistors, where T(n,m) is a triangle read by rows.at n=12A357113
• Nonprime base-10 palindromes whose arithmetic derivative is a base-10 palindrome.at n=24A363248
• Nonsquarefree numbers k such that A003415(k) divides A276086(k), where A003415 is the arithmetic derivative, and A276086 is the primorial base exp-function.at n=44A371085