26435

Appears in sequences

• a(n) = Sum_{ d|n } sigma(n/d)*d^4.at n=11A027848
• Iccanobirt prime indices (14 of 15): Indices of prime numbers in A102124.at n=19A102144
• Number T(n,k) of tilings of a 5 X n rectangle with pentominoes of any shape and exactly k pentominoes of shape P; triangle T(n,k), n>=0, 0<=k<=n, read by rows.at n=28A247706
• Number of tilings of a 5 X n rectangle using n pentominoes of any but the P shape.at n=7A247770
• Numbers k such that 471*2^k+1 is prime.at n=45A318603