69946

Appears in sequences

• a(n+1) is the sum of a(n) and the prime factors of a(n), counted with multiplicity. Start with a(0) = 3.at n=29A192896
• Number of 4Xn 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of the elements above it or one plus the sum of the elements diagonally to its northwest or zero plus the sum of the elements antidiagonally to its northeast, modulo 4.at n=8A241359
• Number of length n+2 0..1 arrays with at most two downsteps in every n consecutive neighbor pairs.at n=22A256817