29977

Appears in sequences

• Number of primes less than 10000n.at n=34A038813
• Numerators of continued fraction convergents to sqrt(969).at n=8A042874
• 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, 0, 1), (0, 0, -1), (0, 1, 1), (1, 0, 1)}.at n=8A150480
• Number of (n+2)X(n+2) 0..1 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally exactly one way, and new values 0..1 introduced in row major order.at n=3A204353
• Number of (n+2)X6 0..1 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally exactly one way, and new values 0..1 introduced in row major order.at n=3A204357
• T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally exactly one way, and new values 0..1 introduced in row major order.at n=24A204361
• Number of days after Jan 01 1000 such that the date written in the format DDMMYYYY is palindromic.at n=27A210885
• Number of partitions of n with difference 9 between the number of odd parts and the number of even parts, both counted without multiplicity.at n=40A242700
• Squarefree k > 1 with sigma(sigma(sigma(k))) < 3*k + 1.at n=34A320513