74017

Properties

Appears in sequences

• a(n) = s(n+3)/3, where s is A024961.at n=11A024962
• Numbers k such that k^2 is palindromic in base 16.at n=35A029733
• Triangle T(n,k) of numbers of k-covers of an unlabeled n-set, k=1..2^n-1.at n=33A055130
• a(n) = 1 + 2*n + n^2 + 2*n^3 + n^4.at n=16A165563
• a(2n)=A165568(n). a(2n+1)=A165563(n).at n=33A171733
• Primes p with prime(p)^3 + 2*p^3 and p^3 + 2*prime(p)^3 both prime.at n=26A236574
• Maximal prime written in decimal among the base-k representations of the n-th prime, read in base 16, for k=2,3,...,16.at n=35A253549
• Number of n X 3 0..1 arrays with no element equal to more than two of its horizontal, diagonal or antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.at n=12A281464
• Partial sums of A299277.at n=42A299278
• Odd primes whose base-2 representation has no proper substrings that are base-2 representations of odd primes.at n=17A365518
• Prime numbersat n=7302