29100

Appears in sequences

• Least number beginning with n such that every partial sum is a square.at n=28A095158
• Structured triakis icosahedral numbers (vertex structure 4).at n=14A100172
• Triangle read by rows: numbers of isomers of unbranched a-4-catapolynonagons.at n=61A120650
• a(n) = n*(n+1)*(4*n+1)/2.at n=24A135713
• Half the number of nX4 binary arrays with the number of 1-1 adjacencies equal to the number of 0-0 adjacencies.at n=4A183250
• Half the number of n X 5 binary arrays with the number of 1-1 adjacencies equal to the number of 0-0 adjacencies.at n=3A183251
• T(n,k)=Half the number of nXk binary arrays with the number of 1-1 adjacencies equal to the number of 0-0 adjacencies.at n=31A183253
• T(n,k)=Half the number of nXk binary arrays with the number of 1-1 adjacencies equal to the number of 0-0 adjacencies.at n=32A183253
• Half the number of nX(n+1) binary arrays with the number of 1-1 adjacencies equal to the number of 0-0 adjacencies.at n=3A183254
• Integer areas of the first Neuberg triangles of integer-sided triangles.at n=7A230758
• Number of length n+3 0..5 arrays with no four consecutive terms having the sum of any three elements equal to three times the fourth.at n=2A249287
• T(n,k) = Number of length n+3 0..k arrays with no four consecutive terms having the sum of any three elements equal to three times the fourth.at n=23A249290
• Number of length 3+3 0..n arrays with no four consecutive terms having the sum of any three elements equal to three times the fourth.at n=4A249293
• Exponential (2,3)-perfect numbers: numbers m such that esigma(esigma(m)) = 3m, where esigma(m) is the sum of exponential divisors of m (A051377).at n=26A328132
• Gaps between first elements of prime quintuples of the form (p, p+2, p+6, p+12, p+14). The quintuples are abutting: twin/cousin/sexy/twin pairs.at n=29A342502
• Number of subsets of {1,2,...,n} such that no two elements differ by 2, 3, or 5.at n=29A375982