45009

Appears in sequences

• Number of n-node rooted trees of height 7.at n=15A000418
• Numbers k such that k | 12^k + 11^k + 1.at n=39A057293
• a(n) = Sum{i=1..n} ( i*2^(i-1) ) - ( A002024(n)*(A002024(n)+1)/2 - n ) * 2^(A002024(n)-1).at n=11A135471
• Odd numbers n divisible by 3 such that for all k >= 1 the numbers n*2^k + 1 and n*2^(k+1) + 1 do not form a pair of primes.at n=2A243857
• a(n) = a(n-1) + 3*a(n-2) with n>1, a(0)=1, a(1)=6.at n=12A274977
• Sum over all partitions of n of the bitwise OR of the parts.at n=28A306902
• Bases b where exactly nine primes p with p < b exist such that p is a base-b Wieferich prime.at n=6A325885