75621

Appears in sequences

• a(n) = 9*n^3 - 18*n^2 + 10*n.at n=21A086605
• Decimal numbers that when converted to hexadecimal produce a number that uses the same digits as the original number.at n=29A133287
• a(n) = 100*n^2 + 100*n + 21.at n=27A152161
• a(n) = A061037(7*n+2).at n=39A165943
• Unchanging value maps: number of n X 2 binary arrays indicating the locations of corresponding elements unequal to no horizontal, diagonal or antidiagonal neighbor in a random 0..2 n X 2 array.at n=10A219136
• Number of compositions [p(1), p(2), ..., p(k)] of n such that p(j) != p(j-2).at n=21A224958