0,1
a(3) = 7 + 11 + 11 + 7 = 36
Cf. A051599, A000040 (the primes)
Sequence in context: A038503 A079990 A127902 this_sequence A066641 A026540 A128232
Adjacent sequences: A053207 A053208 A053209 this_sequence A053211 A053212 A053213
nonn,easy
Asher Auel (asher.auel(AT)reed.edu) Dec 14, 1999
Corrected and extended by James A. Sellers (sellersj(AT)math.psu.edu), Dec 15 1999
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