37108

Appears in sequences

• Fibonacci sequence beginning 2, 22.at n=17A022373
• Number of ways to arrange integers 1 through n so that the sum of each adjacent pair is prime, not counting reversals.at n=13A051239
• Number of ways of writing the numbers 1 .. n in a sequence so that the sum of any two adjacent numbers is a prime; reversing the sequence does not count as different.at n=13A064821
• Moebius transform of binomial(n+3, 4).at n=29A117109
• a(n) = (n^3)/2 + (3*n^2)/2 + 3*n + 3.at n=40A127873
• Number of n-bead necklaces labeled with numbers -4..4 not allowing reversal, with sum zero and avoiding the pattern z z+1 z+2.at n=6A209069
• T(n,k) = number of n-bead necklaces labeled with numbers -k..k not allowing reversal, with sum zero and avoiding the pattern z z+1 z+2.at n=51A209073
• Number of 7-bead necklaces labeled with numbers -n..n not allowing reversal, with sum zero and avoiding the pattern z z+1 z+2.at n=3A209076
• Distance from 2^n to the nearest triangular number.at n=36A233327
• Difference between 4^n and the nearest triangular number.at n=18A238455
• Numbers that are the sum of seven fifth powers in two or more ways.at n=29A345605
• Numbers that are the sum of seven fifth powers in exactly two ways.at n=29A346279
• Expansion of (1/x) * Series_Reversion( x / ((1+x)^2 * (1+x^2)) ).at n=8A369439