30488

Appears in sequences

• Numbers n for which there are exactly six k such that n = k + (product of nonzero digits of k).at n=19A096927
• Number of binary strings of length n with no substrings equal to 0001 or 0011.at n=18A164393
• Number of nX3 arrays containing 3 copies of 0..n-1 with no element plus any horizontal neighbor equal to n-1.at n=3A265880
• T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with no element plus any horizontal neighbor equal to n-1.at n=18A265882
• Number of 4Xn arrays containing n copies of 0..4-1 with no element plus any horizontal neighbor equal to 4-1.at n=2A265884
• Number of idempotents in the twisted planar partition monoid PP_n^tau.at n=6A286867
• Number of even parts in the partitions of n into 9 parts.at n=45A309658
• Even composite positive integers m such that A052918(m-1)^2 == 1 (mod m).at n=18A338313