30794

Appears in sequences

• a(n) = prime(n)*prime(n+1) - prime(n).at n=39A037166
• Indices k such that 10 plus the k-th triangular number is a perfect square.at n=10A154143
• a(n) is the number of n-tosses having a run of 3 or more heads or a run of 3 or more tails for a fair coin (i.e., probability is a(n)/2^n).at n=14A167821
• a(n) = (9*n+2)*(9*n+7).at n=19A177072
• Numbers m such that psi(x) = phi(m) has a solution while sigma(y) = phi(m) has none.at n=31A291524
• Convolution of Leonardo numbers with Jacobsthal numbers.at n=14A377728