27677

Appears in sequences

• Sum of the next n members of the list of twin primes.at n=14A038345
• a(n) = A077704(n+1)/A077704(n).at n=26A077705
• 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, 0), (0, 1, -1), (0, 1, 1), (1, -1, 1)}.at n=9A148912
• Expansion of (-x+2*x^2-x^3-x^4-2*x^5)/(-1+3*x-2*x^2-x^4+x^5).at n=17A221949
• Number of partitions of n containing m(3) as a part, where m denotes multiplicity.at n=43A240488
• Numbers k > 0 such that 10^(k+4) - 23 is prime.at n=8A265629
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 165", based on the 5-celled von Neumann neighborhood.at n=33A270459
• Index where prime(n) appears as a term in A379442.at n=52A379558
• Stellated octagon numbers: a(n) = 20*n^2 + 8*n + 1.at n=37A381196