106848

Appears in sequences

• Numbers k such that k and 6*k are anagrams.at n=7A023090
• a(n) = A026626(2*n-1, n-2).at n=8A026631
• The weight of the periphery of the alternating group, denoted v(P_N).at n=7A067370
• Number of ternary words of length n in which all digits 0..2 occur in every subword of 4 consecutive digits.at n=17A248959
• Number of (n+2) X (3+2) 0..1 arrays with every 2 X 2 and 3 X 3 subblock diagonal maximum minus antidiagonal minimum nondecreasing horizontally and vertically.at n=25A253505
• Number of (n+2)X(4+2) 0..1 arrays with no 3x3 subblock diagonal sum 1 and no antidiagonal sum 1 and no row sum 1 and no column sum 1.at n=4A255097
• Number of (n+2)X(5+2) 0..1 arrays with no 3x3 subblock diagonal sum 1 and no antidiagonal sum 1 and no row sum 1 and no column sum 1.at n=3A255098
• T(n,k) = Number of (n+2) X (k+2) 0..1 arrays with no 3 X 3 subblock diagonal sum 1 and no antidiagonal sum 1 and no row sum 1 and no column sum 1.at n=31A255101
• T(n,k) = Number of (n+2) X (k+2) 0..1 arrays with no 3 X 3 subblock diagonal sum 1 and no antidiagonal sum 1 and no row sum 1 and no column sum 1.at n=32A255101
• Irregular triangle read by rows: T(n,k) = [x^k]p_n(x), where (p_n(x)/x^(3n)) * exp(-1/x^2) is the n-th derivative of exp(-1/x^2), n >= 1, 0 <= k <= 2*n-2.at n=38A344031