35647

Appears in sequences

• Numbers k such that 9*2^k - 1 is prime.at n=31A002236
• a(n) = a(n-1) + a(n - 1 minus the number of terms of a(k) == (mod 4) so far).at n=38A060731
• Number of indecomposable (by concatenation) alternating n-anagrams.at n=6A218826
• Triangle read by rows: T(n,k) (n>=1, 1 <= k <= n) = number of alternating anagrams on n letters (of length 2n) which are decomposable into at most k slices.at n=21A239894
• Lexicographically earliest sequence of nonnegative integers such that two distinct terms differ by at least 4 decimal digits.at n=31A346000