28248

Appears in sequences

• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 14.at n=24A031692
• Row 5 of A007754.at n=5A058796
• a(n) = k such that the k-th triangular number is A068808(n).at n=26A067991
• Index of the smallest triangular number with digit sum = n-th triangular number.at n=11A068134
• Number of basis partitions of n+64 with Durfee square size 8.at n=27A069251
• Numbers k such that the largest prime factor of k is equal to the sum of primes dividing k+1 (with repetition).at n=25A071861
• Main diagonal of array A007754.at n=5A099933
• Tanimoto triangle read by rows: T(n,k) = number of "parity-alternating permutations" (PAPS) of n symbols with k ascents.at n=60A125300
• a(n) = 196*n^2 + 2*n.at n=11A158222
• a(n) = 576*n^2 + 24.at n=7A158637
• a(n) = 49*n^2 + n.at n=23A173141
• Number of (n+1)X3 0..2 arrays with rows and columns in nondecreasing order and with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one.at n=7A184074
• Number of (n+1)X9 0..2 arrays with rows and columns in nondecreasing order and with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one.at n=1A184080
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with rows and columns in nondecreasing order and with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one.at n=37A184081
• Numbers whose Euler totient function is equal to the sum of some fixed power of their digits.at n=11A269669
• Take apart the sides of each of the integer-sided triangles with perimeter n (at their vertices) and rearrange them orthogonally in 3-space so that their endpoints coincide at a single point. a(n) is the total surface area of all rectangular prisms enclosed in this way.at n=36A308236
• Number of nXn 0..1 arrays with every element unequal to 0, 1, 2, 3, 4, 5 or 6 king-move adjacent elements, with upper left element zero.at n=3A316802
• Number of nX4 0..1 arrays with every element unequal to 0, 1, 2, 3, 4, 5 or 6 king-move adjacent elements, with upper left element zero.at n=3A316804
• T(n,k)=Number of nXk 0..1 arrays with every element unequal to 0, 1, 2, 3, 4, 5 or 6 king-move adjacent elements, with upper left element zero.at n=24A316808
• Indices of unique values in A329152.at n=30A333268