22385

Appears in sequences

• Indices of primes in sequence defined by A(0) = 27, A(n) = 10*A(n-1) - 13 for n > 0.at n=15A101962
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 0, 1), (0, 1, -1), (1, -1, 0), (1, 0, 1)}.at n=9A148942
• 11 times pentagonal numbers: 11*n*(3n-1)/2.at n=37A153449
• Let q(p) be the smallest prime greater than the prime p. A positive integer n is included in this sequence if n+1 is divisible by q(p) for each prime p dividing n.at n=23A163619
• The third left hand column of triangle A167552.at n=10A167555
• Position of 5^n in A051037 (5-smooth numbers).at n=33A188427
• Smallest k>0 such that (5^n-k)*5^n-1 and (5^n-k)*5^n+1 are a twin prime pair or 0 if no such k exists.at n=38A212488
• Triangle read by rows: T(n,k) is the number of weighted lattice paths B(n) having a total of k uhd and uHd strings.at n=47A247294
• Exponents n such that 2^(2*n+1) - 3*2^n - 1 (A195461) is prime.at n=25A264011
• Number of integer partitions of n such that the least part plus the greatest part is odd.at n=40A390092