113480

Appears in sequences

• a(1)=2. a(n) is the a(n-1)st integer from among those positive integers coprime to a(n-1).at n=24A126882
• Number of 1-sided polypons with n cells.at n=18A151531
• A(n,k) is the sum over all ordered partitions of [n] of k^j for an ordered partition with j inversions; square array A(n,k), n>=0, k>=0, read by antidiagonals.at n=59A381426
• Sum over all ordered partitions of [n] of 6^j for an ordered partition with j inversions.at n=4A385408