30049

Appears in sequences

• Indices of primes in sequence defined by A(0) = 97, A(n) = 10*A(n-1) - 23 for n > 0.at n=11A101008
• Numbers k which divide the sum of the Fibonacci numbers F(1) through F(k) and such that k is not a multiple of 24.at n=26A124456
• Triangle read by rows: T(n,k) is the coefficient A_k in the transformation Sum_{k=0..n} x^k = Sum_{k=0..n} A_k*(x-2*(-1)^k)^k.at n=31A249267
• First step in Recamán's sequence (A005132) at which there are n consecutive addition steps in a row.at n=4A331670
• Odd integers m that divide the sum of the first m nonzero Fibonacci numbers.at n=25A331976
• a(n) = Sum_{i=1..n, j=1..n, gcd(i,j)=1} i.at n=45A333297
• Number of biquanimous subsets of {1..n}. Sets with a subset having the same sum as the complement.at n=16A371791
• Consecutive states of the linear congruential pseudo-random number generator (25173*s+13849) mod 2^16 when started at s=1.at n=32A383940
• Intersection of A392605 and A392611.at n=38A392606