38446

Appears in sequences

• n+prime(n)+prime(prime(n)) is a triangular number, where prime(n) is the n-th prime.at n=25A116010
• 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, -1, 1), (0, 1, -1), (0, 1, 0), (1, 0, 0)}.at n=10A149822
• a(n) = a(n-1) + a(n-3) + a(n-4), where a(0) = 1, a(1) = 2, a(2) = 2, a(3) = 1.at n=23A295687
• a(n) = a(n-1) + a(n-3) + a(n-4), where a(0) = 2, a(1) = 2, a(2) = 1, a(3) = 1.at n=23A295690
• Expansion of (1/x) * Series_Reversion( x * (1 / (1 + x) - x^4) ).at n=13A389444