31932

Appears in sequences

• Almost-convex polygons of perimeter 2n on square lattice.at n=4A007220
• Number of primes between successive Lucas numbers.at n=27A052012
• Smallest k such that both k-n and k+n are primes and there are no primes between them.at n=25A087378
• Integers that do not appear in A103502.at n=13A103504
• Indices of primes in A001644 (the Lucas 3-step numbers).at n=33A104576
• Expansion of (1+x)/(1-2x-x^2-x^3).at n=11A116413
• Riordan array (((1+x)/(1-x-x^2))^m, x*A000108(x)), m=3.at n=58A185678
• Number of (w,x,y,z) with all terms in {1,...,n} and 2|w-x|=|x-y|+|y-z|.at n=36A212575
• Maximal term of TRIP-Stern sequence of level n corresponding to permutation triple (e,132,e).at n=32A271489
• a(n) is the smallest number m, such that m+n is the next prime and m-n is the previous prime.at n=24A282690
• Number of partitions of n into a squarefree number of squarefree parts.at n=53A286330
• Expansion of Product_{k=1..10} theta_3(q^k), where theta_3() is the Jacobi theta function.at n=47A320242
• Least number which differs from both of its prime neighbors by n^2, and -1 if no such number exists.at n=4A353089