100234

Appears in sequences

• Positive numbers k such that k and 4*k are anagrams in base 7 (written in base 7).at n=20A023070
• a(n) is the smallest n-digit number m such that 10*m+1, 10*m+3, 10*m+7 & 10*m+9 are primes.at n=5A097638
• Number of (n+2) X (2+2) 0..2 arrays with each row and column divisible by 11, read as a base-3 number with top and left being the most significant digits.at n=6A263331
• T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with each row and column divisible by 11, read as a base-3 number with top and left being the most significant digits.at n=29A263333
• T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with each row and column divisible by 11, read as a base-3 number with top and left being the most significant digits.at n=34A263333
• a(n) = smallest k such that the digits of exactly n nonnegative numbers are a subsequence of the digits of k.at n=31A275782