23514
domain: N
Appears in sequences
- Positive numbers k such that k and 2*k are anagrams in base 6 (written in base 6).at n=30A023064
- Numbers k that divide the sum of the digits of (2k)^k.at n=28A108860
- G.f.: (1+x)^(2*g)*(1+x^3)^(3*g)/((1-x^2)*(1-x^4))-x^(2*g)*(1+x)^4/((1-x^2)*(1-x^4)) for g=3.at n=19A199629
- Rectangular array: (row n) = b**c, where b(h) = h, c(h) = binomial(2*n-4+2*h,n-2+h), n>=1, h>=1, and ** = convolution.at n=41A213853
- Number of n X 5 0..2 arrays with no element equal to one plus the sum of elements to its left or one plus the sum of elements above it or one plus the sum of the elements diagonally to its northwest, modulo 3.at n=31A239358
- Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 189", based on the 5-celled von Neumann neighborhood.at n=32A270679
- Numbers m such that the decimal digits of m are exactly the same as those of all the indices corresponding to the prime factors of m.at n=16A287916
- Decimal representation of permutations of lengths 1, 2, 3, ...at n=36A306428
- Derangements of {1,2,...,n} (n >= 2) in lexicographic order.at n=16A320588
- Numbers k such that 457*2^k+1 is prime.at n=13A323198