Fibonacci sequence beginning 0, 23.

Terms

a(0) =0a(1) =23a(2) =23a(3) =46a(4) =69a(5) =115a(6) =184a(7) =299a(8) =483a(9) =782a(10) =1265a(11) =2047a(12) =3312a(13) =5359a(14) =8671a(15) =14030a(16) =22701a(17) =36731a(18) =59432a(19) =96163a(20) =155595a(21) =251758a(22) =407353a(23) =659111a(24) =1066464a(25) =1725575a(26) =2792039a(27) =4517614a(28) =7309653a(29) =11827267