41362

Appears in sequences

• Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 13.at n=34A031601
• Difference between ceiling(e^(n/2 - 1)) (A005181) and the n-th Fibonacci number (A000045).at n=26A096766
• Index in A092243 where -n first appears.at n=6A269738
• a(n) = (n^4-3*n^2+4*n+2)/2.at n=17A387525
• Convolution of A000041 and A237271.at n=30A390878