18955

Appears in sequences

• Numbers that are the sum of 5 positive 7th powers.at n=29A003372
• Sum along upward diagonal of Pascal triangle from center.at n=24A010757
• T(n, 2n-8), T given by A027926.at n=12A027931
• a(n) = T(2*n, n+4), T given by A027935.at n=4A027940
• Greatest number in row n of array T given by A027935.at n=16A027945
• Partial sums of A053296.at n=8A053308
• a(n) = n^3 - n^2 + 1.at n=27A100104
• a(n) = 997*n + 1009.at n=18A100776
• a(n) = Sum_{i=0..n} binomial(2*n-i, n+i).at n=8A108081
• a(n) = 729*n + 1.at n=25A158397
• a(n) = 26*n^2 + 1.at n=27A158549
• a(n) is the smallest number m from A173977 for which A020639(2m-1) = prime(n).at n=37A173979
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 221", based on the 5-celled von Neumann neighborhood.at n=30A270936
• Numbers n such that the sum of the inverse of the exponents in the binary expansion of 2n is an integer.at n=9A272035
• Sum of the fifth largest parts of the partitions of n into 9 parts.at n=43A326469
• Number of free polyaboloes without any two triangles sharing a hypotenuse.at n=21A390885