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A186620
Fibonacci sequence beginning 12, 25.
0
12, 25, 37, 62, 99, 161, 260, 421, 681, 1102, 1783, 2885, 4668, 7553, 12221, 19774, 31995, 51769, 83764, 135533, 219297, 354830, 574127, 928957, 1503084, 2432041, 3935125, 6367166, 10302291, 16669457, 26971748, 43641205, 70612953, 114254158, 184867111
OFFSET
0,1
FORMULA
G.f.: -(12+13*x) / ( -1+x+x^2 ). - R. J. Mathar, Mar 18 2011
MATHEMATICA
Join[{a=12, b=25}, Table[c=a+b; a=b; b=c, {n, 60}]]
Transpose[NestList[{Last[#], First[#]+Last[#]}&, {12, 25}, 50]][[1]] (* or *) LinearRecurrence[{1, 1}, {12, 25}, 40] (* Harvey P. Dale, Mar 13 2011 *)
PROG
(Python)
a = [12, 25]
[a.append(a[-1] + a[-2]) for n in range(33)]
print(a) # Michael S. Branicky, Dec 25 2021
CROSSREFS
Sequence in context: A239147 A136739 A372029 * A042851 A280324 A041280
KEYWORD
nonn,easy
AUTHOR
STATUS
approved