daily riddle #27

in #riddle6 years ago

New week, new riddle. The fomular behind the following number row is well known. But I changed the beginning a little bit, so it's slightly diffucult. But overall it should be pretty easy.

3 | 4 | 7 | 11 | 18 | ?

Coin Marketplace

STEEM 0.30
TRX 0.12
JST 0.034
BTC 64136.70
ETH 3128.20
USDT 1.00
SBD 3.94