38505

Appears in sequences

• First n elements of Thue-Morse sequence A010059 read as a binary number.at n=15A019299
• List of codewords in binary lexicode with Hamming distance 8 written as decimal numbers.at n=16A075940
• Basis for code in A075940.at n=4A075941
• Bell triangle A011971 squared.at n=19A095799
• In binary representation of n, replace ones with n and zeros with n's binary complement (keeping leading zeros).at n=9A100241
• Consider the Thue-Morse sequence (A010059) at each iteration. Read each reversed string as a binary number and convert it to a decimal number.at n=4A122569
• A080814 complemented, then interpreted as binary and then re-expressed in decimal form (e.g., "1221" = "0110"). Alternately, view as A080814 with "1" mapped to "1" and "2" mapped to "0".at n=4A133468
• Positive integers n that are palindromic in base 2 and whose binary representation has the same number of 0's as 1's.at n=20A143905
• Least binary palindrome (cf. A006995) with n binary digits such that the number of contiguous palindromic bit patterns is minimal.at n=15A217097
• Binary palindromes (cf. A006995) such that the number of contiguous palindromic bit patterns is minimal (for a given number of places).at n=38A217099
• Rows of negated binary Walsh matrices interpreted as reverse binary numbers.at n=30A228540
• Composite squarefree numbers n such that p - tau(n) divides n - phi(n), where p are the prime factors of n, tau(n) = A000005(n) and phi(n) = A000010(n).at n=6A229323
• Numbers k such that (107*10^k - 17)/9 is prime.at n=21A282281
• Numbers that are palindromic in base 2 and base 16.at n=46A340559