53274

Appears in sequences

• Numbers k such that 3*10^k + 6*R_k - 5 is prime, where R_k = 11...1 is the repunit (A002275) of length k.at n=21A102974
• 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, 1), (-1, 0, 0), (0, 0, 1), (1, 0, -1), (1, 1, 1)}.at n=8A150800
• Number of parts, counted without multiplicity, in all compositions of n.at n=15A336875