39446

Appears in sequences

• Apply partial sum operator thrice to primes.at n=22A014150
• Erroneous version of A001168.at n=9A014559
• Row sums of triangle A116872.at n=5A116879
• Partial sum of centered tetrahedral numbers A005894.at n=21A132366
• 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), (1, 0, 1), (1, 1, 0)}.at n=9A150068
• Central element of a series of 5 successive nonsquarefree numbers.at n=25A188296
• Numbers n such that n^2 is a sum of 2 and also of 4 consecutive primes.at n=34A252066
• G.f. A(x,y) satisfies: A( x - y*A(x,y)^2, y) = x + (1-y)*A(x,y)^2, where the coefficients T(n,k) of x^n*y^k form a triangle read by rows n>=1, for k=0..n-1.at n=42A277295
• Diagonal of triangle A277295; a(n) = A277295(n+2,n).at n=6A277297
• Number of integer compositions of n whose length is twice their alternating sum.at n=22A357847