89732

Appears in sequences

• Numbers k>11 such that x^k + x^11 + x^10 + x^9 + x^8 + x^7 + x^6 + x^5 + x^4 + x^3 + x^2 + x + 1 is irreducible over GF(2).at n=45A057488
• Numbers k such that Sum_{j=1..k-1} j*2^(j-1) is prime.at n=17A119529
• a(n) = Sum_{k=1..n} k^2*tau_3(k), where tau_3 is A007425.at n=28A319088