2929688
domain: N
Appears in sequences
- a(n) = (3*5^n+1)/2.at n=9A199213
- Number of 5 X n 0..2 arrays with horizontal differences mod 3 never 1, vertical differences mod 3 never -1, and rows and columns lexicographically nondecreasing.at n=27A229448
- a(n) is the smallest positive integer of length (distance from origin) n in the Cayley graph of the integers generated by all powers of 5.at n=19A294566