260144641

Appears in sequences

• a(n) = (5*n + 2)^4.at n=25A016876
• a(n) = (6*n + 1)^4.at n=21A016924
• a(n) = (7*n + 1)^4.at n=18A016996
• a(n) = (8*n + 7)^4.at n=15A017152
• a(n) = (9n+1)^4.at n=14A017176
• a(n) = (10*n+7)^4.at n=12A017356
• a(n) = (11*n + 6)^4.at n=11A017464
• a(n) = (12*n + 7)^4.at n=10A017608
• Squares of composite numbers k such that sigma(k) (sum of divisors of k, A000203) is a prime.at n=21A065404
• Smallest fourth power k such that k-1 is divisible by an n-th power, k > 1.at n=8A088040
• Number of n-tuples where each entry is chosen from the subsets of {1,2,3,4} such that the intersection of all n entries is empty.at n=6A128832
• Powers of 127.at n=4A138128
• Fourth powers that become prime when their most significant (leftmost) decimal digit is removed.at n=10A226092
• Product_{i=0..3} (2^floor((n+i)/4)-1).at n=28A274627