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A368396
Prime numbers in Narayana's cows sequence A000930.
0
2, 3, 13, 19, 41, 277, 1873, 8641, 17098272199297
OFFSET
1,1
COMMENTS
The next terms are too large to show here: a(10) and a(11) have 1036 and 4274 digits, respectively (see A170954). - Jon E. Schoenfield, Dec 29 2023
FORMULA
a(n) = A000930(A170954(n)).
A000040 INTERSECT A000930.
MATHEMATICA
a[0] = 1; a[1] = a[2] = 1; a[n_] := a[n] = a[n-1] + a[n-3]; Select[Table[a[n], {n, 0, 400}], PrimeQ]
CROSSREFS
Primes in A000930.
Sequence in context: A194598 A080359 A193507 * A103087 A302485 A135118
KEYWORD
nonn
AUTHOR
José E. Solsona, Dec 22 2023
STATUS
approved