34506

Appears in sequences

• Number of increasing sequences of addition chain type with maximal element n.at n=18A008928
• 30 'Reverse and Add' steps are needed to reach a palindrome.at n=14A065319
• Partial sums of A002106.at n=27A173407
• Number of (n+1) X (3+1) 0..1 arrays with every 2 X 2 subblock ne-sw antidiagonal difference nondecreasing horizontally and nw+se diagonal sum nondecreasing vertically.at n=11A258549
• a(n) = Sum_{k=1..n, gcd(n,k) = 1} binomial(n,k)^2.at n=8A337003