25908

Appears in sequences

• When expressed in base 3 and then interpreted in base 7, is a multiple of the original number.at n=33A062884
• Convolution of L(n+1) = A000204(n+1), n>=0, with L(n+4), n>=0.at n=11A067982
• Numbers n such that sigma(n) = 8*phi(n).at n=12A104901
• Coefficient of x^5 in (1-x-x^2)^(-n).at n=14A139798
• Number of binary strings of length n with no substrings equal to 0001 0110 or 1011.at n=17A164479
• Number of increasing sequences of n integers x(1),...,x(n) with values in 1..5*n such that x(j) divides x(k) iff j divides k.at n=28A180382
• Number of 4Xn 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 1 1 and 1 1 0 vertically.at n=8A207489
• Partial sums of A243980.at n=27A244050
• Number of ternary words of length n in which all digits 0..2 occur in every 6 consecutive digits.at n=10A249019
• Non-primitive balanced numbers: balanced numbers of the form m*n where m, n > 1 are both balanced.at n=40A291566
• Positions of 0's in A330314.at n=33A330325
• Coefficient of x^n in the expansion of 1 / (1-x-x^2)^(3*n).at n=5A370620