OFFSET
4,3
COMMENTS
p(i) denotes the i-th prime and [...] the floor function. - M. F. Hasler, Dec 11 2007
PROG
(PARI) /* symmetric polynomial of order n in X=[X1, ..., XN] */ sympol(X, n, s)=forvec(i=vector(n, j, [1, #X]), s+=prod(k=1, n, X[i[k]]), 2); s /* list of primes 0...n-1 with p(0)=1 */ P(n)=concat([1], vector(n-1, i, prime(i))) /* this sequence */ A024536(n) = sympol(P(n), 4) \ sympol(P(n), 3) \\ M. F. Hasler, Dec 11 2007
CROSSREFS
KEYWORD
nonn
AUTHOR
EXTENSIONS
Extended (up to a(55)) by M. F. Hasler, Dec 11 2007
STATUS
approved