40132

Appears in sequences

• Numbers k such that k | (3^k + 3).at n=19A015888
• Numbers k such that k | 7^k + 7.at n=32A015893
• Numbers k such that k | 12^k + 12.at n=32A015904
• a(1) = 7; a(n+1) = a(n)-th nonprime, where nonprimes begin at 0.at n=45A025002
• Even pseudoprimes to base 13.at n=8A130435
• Floor(sqrt(3*2^n)).at n=29A221718
• Pseudoprimes to base 9 that are not squarefree.at n=33A306448
• Nearest integer to the product of all integer roots of n from the second to the n-th.at n=31A330153
• Even composites m such that A003499(m)==6 (mod m).at n=17A338311
• Heptagonal numbers (A000566) with prime indices (A000040).at n=30A346494