131075

Appears in sequences

• Numbers that are the sum of 5 nonzero 8th powers.at n=36A003383
• a(n) = 2^n + 3.at n=17A062709
• a(n) = 3*a(n-1) - 3*a(n-2) + 2*a(n-3), with a(0) = 4, a(1) = 2, a(2) = 1.at n=17A133455
• a(n) = 2*4^n + 3.at n=8A188161
• 2^p + 3 where p is prime.at n=6A241573
• Numbers of the form 2^k+3 or 3*2^k+1, k >= 2.at n=29A245179
• a(n) = n + 1 when n <= 3, otherwise a(n) = 2^(n-2) + 3; also iterates of A005187 starting from a(1) = 2.at n=18A256994
• Dropping any binary digit gives a prime number.at n=14A267413
• a(1) = 1, for n > 1, if n is even, a(n) = A055938(n/2), otherwise a(n) = A005187(a(A064989(n))).at n=66A279337
• a(1) = 1; for n > 1, if n is even, a(n) = A055938(a(n/2)), otherwise a(n) = A005187(a(A064989(n))).at n=66A279339
• a(1) = 1, for n > 1, if n is even, a(n) = A055938(a(n/2)), otherwise a(n) = A005187(a(A268674(n))).at n=66A279349
• a(0)=4; if n > 0 is even then a(n) = 2^(n/2+1)+3, otherwise a(n) = 3*(2^((n-1)/2)+1).at n=32A343177
• a(n) = Sum_{d|n} d^(phi(n/d) - 1).at n=37A345268
• Number of minimal dominating sets in the n-book graph.at n=16A347512
• Integers in Ulam's spiral for which the numbers around them form a square whose four corners are all prime numbers.at n=41A383596
• Consecutive internal states of the linear congruential pseudo-random number generator 131075*s mod 2^27 when started at s=1.at n=1A384373