25477

Appears in sequences

• Numbers k such that 4*3^k - 1 is prime.at n=19A005540
• Strong pseudoprimes to base 24.at n=13A020250
• Average of four successive primes squared, (prime(n)^2 + prime(n+1)^2 + prime(n+2)^2 + prime(n+3)^2)/4, n>=2.at n=34A075894
• Integer lengths of Catalan-primes: numbers n such that the concatenation of the first n decimal digits of Catalan's constant is prime.at n=2A118328
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, -1, 1), (0, 0, 1), (0, 1, -1), (1, 0, 0)}.at n=9A149868
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 0), (0, 0, 1), (0, 1, 0), (1, -1, 0), (1, 1, -1)}.at n=8A150203
• a(0)=a(1)=1, a(2)=2; thereafter a(n) = 3*a(n-1) + 3*2^(n-3) - 2.at n=10A169651
• Constant term of the reduction by x^2->x+1 of the polynomial p(n,x) defined at Comments.at n=14A193004
• Integers k such that 1^2 + 3^2 + 5^2 + ... + (2*k-1)^2 = x^3 + y^3 has a solution in positive integers x and y.at n=7A270005
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 401", based on the 5-celled von Neumann neighborhood.at n=33A271805
• Sum over all partitions of n of the number of distinct parts i of multiplicity i+1.at n=45A276434
• MM-numbers of labeled simple hypergraphs with no singletons spanning an initial interval of positive integers.at n=28A320463
• MM-numbers of labeled multi-hypergraphs with no singletons spanning an initial interval of positive integers.at n=36A320464