1,1
Table of n, a(n) for n=1..3.
2421 is in the sequence because prime(2)^2 + prime(4)^2 + prime(2)^2 + prime(1)^1 = 3^2 + 7^4 + 3^2 + 2^1 = 2421.
Sequence in context: A237940 A097030 A204367 * A254901 A254908 A257203
Adjacent sequences: A131756 A131757 A131758 * A131760 A131761 A131762
fini,full,nonn,base,bref
Tanya Khovanova and Alexey Radul, Sep 17 2007
approved