49130

Appears in sequences

• Numbers k such that k | 13^k + 1.at n=35A015963
• Numbers k such that 6*k+1, 6*k+7, 6*k+13, 6*k+19 are consecutive primes.at n=38A090839
• Derived from the centered polygonal numbers: start with the first triangular number, then the sum of the first square number and the second triangular number, then the sum of first pentagonal number, the second square number and the third triangular number, and so on and so on...at n=30A141534
• Number of n X 6 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 1 1 0 vertically.at n=4A208285
• T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 1 1 0 vertically.at n=49A208287
• Number of 5 X n 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 1 1 0 vertically.at n=5A208289
• a(n) = 10*n^3.at n=17A244729
• Numbers whose squares became cubes if some digit is prepended, inserted or appended.at n=29A248127
• Duplicate of A090839.at n=38A296055