83391

Appears in sequences

• Smallest number such that n-th iterate of Chowla function is 0.at n=33A002954
• a(n) = (2*n+1)*(4*n^2+4*n+3)/3.at n=31A057813
• Numbers k with property that 19*k + {2,4,8,10} are two pairs of consecutive twin primes.at n=17A152926
• Number of arrays of the median of three adjacent elements of some length-(n+2) 0..4 array.at n=7A228736
• Number of partitions of 6n into exactly 4 parts.at n=38A256328
• Solution of the complementary equation a(n) = 2*a(n-2) - b(n-2) + n, where a(0) = 3, a(1) = 4, b(0) = 1, and (a(n)) and (b(n)) are increasing complementary sequences.at n=30A295069
• a(n) = a(n-1) + a(n-2) - n*a(floor(n/2)), where a(0) = 1, a(1) = 1, a(2) = 1.at n=23A298400