21734

Appears in sequences

• Numbers that are the sum of 8 positive 9th powers.at n=13A003397
• Replace n with concatenation of its divisors >1.at n=33A037277
• Number T(n,k) of tilings of a 5 X n rectangle with pentominoes of any shape and exactly k pentominoes of shape F; triangle T(n,k), n>=0, 0<=k<=max(delta_{3,n},floor((n-2)/2)*2), read by rows.at n=11A247702
• Number of tilings of a 5 X n rectangle using n pentominoes of any but the F shape.at n=6A247766
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 790", based on the 5-celled von Neumann neighborhood.at n=33A273562
• Number of nX4 0..2 arrays with no element equal to more than one of its horizontal and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.at n=2A281322
• T(n,k)=Number of nXk 0..2 arrays with no element equal to more than one of its horizontal and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.at n=17A281326
• Number of 3Xn 0..2 arrays with no element equal to more than one of its horizontal and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.at n=3A281328
• Expansion of 1/(1 - Sum_{k = i^j, i>=1, j>=2} x^k).at n=29A282500
• Numbers k such that both k and k + 3 are consecutive deficient numbers.at n=4A317049
• Smallest k such that the k-th tetrahedral number is divisible by exactly n tetrahedral numbers.at n=26A342808