1946025

Appears in sequences

• n is odd and divisible by number of divisors of n and sum of digits of n.at n=20A057530
• Square numbers with at least one digit in common with any other square number.at n=8A182658
• Number of n X 4 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 1 0 0 vertically.at n=7A207737
• Number of n X 4 0..1 arrays avoiding 0 0 1 and 0 1 1 horizontally and 0 0 1 and 1 0 1 vertically.at n=29A208138
• Number of (n+1) X (2+1) 0..1 arrays with no element having a strict majority of its horizontal and vertical neighbors equal to one.at n=10A231971
• Squares which have one or more occurrences of exactly seven different digits.at n=26A235722
• Triangular array read by rows. T(n,k) is the number of Green's H-classes contained in the D-class of rank k matrices in the semigroup Mat_n(F_2) of n X n matrices over the field F_2. n>=0, 0<=k<=n.at n=24A359313