141358275

Appears in sequences

• Number of binary necklaces of length n with no subsequence 00, excluding the necklace "0".at n=46A000358
• Number of ways to partition n elements into pie slices each with an odd number of elements.at n=46A032189
• Number of cyclic compositions of 2*n-1 into odd parts.at n=23A365858
• Number of self-dual cyclic n-color compositions.at n=46A365859