199801

Appears in sequences

• Numbers k that divide Fibonacci(k-1) but do not divide Fibonacci(k) - 1.at n=20A094410
• 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, 0, -1), (0, 1, 1), (1, 0, -1)}.at n=11A148725
• Composite squarefree numbers k such that p+1 divides k-1 for any prime p dividing k.at n=17A225711
• Numbers k such that (299*10^k - 17)/3 is prime.at n=26A281063
• First quadrisection of A332843.at n=32A330522