A308507 - OEIS

A308507

a(n) = (a(n-1) + a(n-2))^4, for n >= 2; a(0)=0, a(1)=1.

0, 1, 1, 16, 83521, 48698490414981476161, 5624216052381164150697569400035392464306474190030694298257503425709420810383376

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OFFSET

0,4

LINKS

EXAMPLE

a(4) = (a(3) + a(2))^4 = (16 + 1)^4 = 83521.

MATHEMATICA

RecurrenceTable[{a[0]==0, a[1]==1, a[n]==(a[n-1]+a[n-2])^4}, a, {n, 10}]

PROG

(Python)

f0 = 0

f1 = 1

next_val = (f0+f1)**4

i = 0

while i <= 10:

next_val = (f0+f1)**4

f0 = f1

f1 = next_val

i = i+1

print(next_val)

CROSSREFS

KEYWORD

nonn,less

AUTHOR

STATUS

approved