29064

Appears in sequences

• Numbers k such that sigma(k)+1 is a square and sets a new record for such squares.at n=40A063729
• a(n) = Sum_{k=1..n} J_4(k)/240.at n=27A115003
• a(n) = (n+6)*(n+1)*(n^2 + 7*n + 16)/4.at n=16A168538
• Triangular array read by rows. T(n,k) is the number of functional digraphs on {1,2,...,n} such that no node is at a distance greater than one from a cycle and there are k recurrent elements whose preimage contains only one element, n>=0, 0<=k<=n.at n=29A220222
• Number of (n+2) X (1+2) 0..1 arrays with each 3 X 3 subblock having clockwise perimeter pattern 00000000 00000001 or 00010101.at n=10A260468
• Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n) + 1, where a(0) = 3, a(1) = 4, b(0) = 1, b(1) = 2, b(2) = 5, and (a(n)) and (b(n)) are increasing complementary sequences.at n=17A295955
• a(n) = 7*6*5*4*3*2*1 + 14*13*12*11*10*9*8 + ... + (up to the n-th term).at n=10A319871
• a(n) = (prime(n)+1) * prime(n+1).at n=38A345727