34859

Appears in sequences

• a(n) = Sum_{k=0..2n-1} T(n,k) * T(n,k+1), with T given by A027082.at n=5A027110
• a(1)=1; for n>1, a(n) = a(n-1) + n^0 if n odd, a(n) = a(n-1) + n^3 if n is even.at n=21A135332
• Sum of first n even superperfect numbers A061652, divided by 2.at n=5A153476
• Numbers k such that A155085(k) is in A037074.at n=13A352616
• Starting numbers that require more iterations of the map x->A359194(x) (binary complement of 3n) to reach 0 than any smaller number.at n=26A359219