161604

Appears in sequences

• a(n) = (11*n + 6)^2.at n=36A017462
• Denominator of 1/36 - 1/n^2.at n=66A061046
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, -1), (-1, 0, 1), (0, 0, 1), (0, 1, 0), (1, 0, 0)}.at n=9A151047
• A positive integer is included if it is a square that contains the same number of 0's as 1's when represented in binary.at n=36A164343
• Integer quotients of k^2 by the sum of the prime distinct divisors of k^2+1, where k = A196219(n).at n=12A196220
• Number of n X 4 0..1 arrays with diagonals and antidiagonals unimodal and rows nondecreasing.at n=8A223945
• Number of (n+2)X(n+2) 0..1 arrays with no 3x3 subblock diagonal sum less than the antidiagonal sum or central row sum equal to the central column sum.at n=3A258537
• Number of (n+2)X(4+2) 0..1 arrays with no 3x3 subblock diagonal sum less than the antidiagonal sum or central row sum equal to the central column sum.at n=3A258541
• T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with no 3x3 subblock diagonal sum less than the antidiagonal sum or central row sum equal to the central column sum.at n=24A258545
• Squares whose arithmetic mean of digits is 3 (i.e., the sum of digits is 3 times the number of digits).at n=14A316483
• Primitive exponential abundant numbers: the powerful terms of A129575.at n=32A328136
• Primitive exponential unitary abundant numbers: the powerful terms of A383693.at n=29A383694
• Primitive exponential squarefree exponential abundant numbers: the powerful terms of A383697.at n=27A383698
• Primitive exponential Zumkeller numbers: powerful numbers whose exponential divisors can be partitioned into two disjoint subsets of equal sum.at n=36A391087
• Primitive exponential unitary Zumkeller numbers: powerful numbers whose exponential unitary divisors can be partitioned into two disjoint subsets of equal sum.at n=32A391089
• Primitive exponential pseudoperfect numbers: powerful numbers equal to the sum of a subset of their proper exponential divisors.at n=35A391143
• Primitive exponential admirable numbers: the powerful terms in A336680.at n=25A391283
• Exponential abundant numbers that are squares of squarefree numbers.at n=20A391428
• Squares whose sum of prime factors (with multiplicity) is also a perfect square.at n=23A392304