33108

Appears in sequences

• Starting index of a string of 4 or more consecutive equal digits in decimal expansion of Pi.at n=34A049516
• Starting index of a string of exactly 4 consecutive equal digits in decimal expansion of Pi.at n=21A049520
• Number of positive integers <= 2^n of form x^2 + 17 y^2.at n=18A054230
• Number of solutions to rev(x^2) = rev(x)^2 with n digits, where the rev(x) function reverses the digits of x.at n=12A098701
• Number of length n+5 0..7 arrays with every six consecutive terms having five times some element equal to the sum of the remaining five.at n=1A249496
• T(n,k)=Number of length n+5 0..k arrays with every six consecutive terms having five times some element equal to the sum of the remaining five.at n=29A249497
• Number of length 2+5 0..n arrays with every six consecutive terms having five times some element equal to the sum of the remaining five.at n=6A249499
• Number of (n+2)X(3+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00001001.at n=7A260289
• Number of ways to write n as an ordered sum of 6 nonzero decimal palindromes.at n=20A341203
• Indices k such that the determinant of the 3 X 3 Hankel matrix of consecutive primes starting at prime(k) is 0.at n=31A392523