60651

Appears in sequences

• Numbers n such that n + sum of prime factors of n = (n+1) + sum of prime factors of (n+1).at n=37A075654
• Expansion of (1-x)^(-1)/(1-2*x+2*x^2+2*x^3).at n=17A077862
• Boustrophedon transform of the Jacobsthal numbers.at n=9A101473
• Auxiliary r(n) sequence used to prove some properties about Rowland's sequence: r(1) = 1, and r(n) = 1/2*(c(n)+1), where c(n) is A190894, for n>1.at n=43A190895
• Number of 0..n arrays x(0..3) of 4 elements with nondecreasing average value and 0..n occur with instance counts within one of each other.at n=26A200943