23994

Appears in sequences

• Numbers in which all pairs of consecutive base-6 digits differ by 3.at n=27A033077
• Roman numerals for n evaluated as if in base 36.at n=2A073421
• L-th order palindromes with L > 2.at n=17A089381
• a(n) = n*(4*n^2 + 2*n + 1).at n=18A110451
• Alexandrian integers: numbers of the form n = p*q*r such that 1/n = 1/p - 1/q - 1/r for some integers p,q,r.at n=23A147811
• a(n) = 25*n^2 - n.at n=30A157514
• a(n) = 961*n^2 - 31.at n=4A158679
• Number of nXnXn triangular binary arrays with every 1 adjacent to exactly 3 other 1s.at n=17A192443
• n! mod n^3.at n=42A242427
• Number of nX4 0..2 arrays with some element plus some horizontally, vertically or antidiagonally adjacent neighbor totalling two exactly once.at n=4A268794
• Number of nX5 0..2 arrays with some element plus some horizontally, vertically or antidiagonally adjacent neighbor totalling two exactly once.at n=3A268795
• T(n,k)=Number of nXk 0..2 arrays with some element plus some horizontally, vertically or antidiagonally adjacent neighbor totalling two exactly once.at n=31A268798
• T(n,k)=Number of nXk 0..2 arrays with some element plus some horizontally, vertically or antidiagonally adjacent neighbor totalling two exactly once.at n=32A268798
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 278", based on the 5-celled von Neumann neighborhood.at n=42A271097
• Prime power pseudoperfect numbers: numbers m > 1 such that 1/m + Sum 1/p^k = 1, where the sum is over the prime powers p^k | m.at n=37A283423
• Floor of area of quadrilateral with consecutive prime sides configured as a cyclic quadrilateral.at n=34A329950
• Numbers k that divide the k-th large Schröder number.at n=41A372902