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A272470 7 times the primes. 3
14, 21, 35, 49, 77, 91, 119, 133, 161, 203, 217, 259, 287, 301, 329, 371, 413, 427, 469, 497, 511, 553, 581, 623, 679, 707, 721, 749, 763, 791, 889, 917, 959, 973, 1043, 1057, 1099, 1141, 1169, 1211, 1253, 1267, 1337, 1351, 1379, 1393, 1477, 1561, 1589, 1603, 1631, 1673, 1687, 1757, 1799, 1841, 1883, 1897 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..58.

FORMULA

a(n) = 7*prime(n) = 7*A000040(n).

MATHEMATICA

7 Prime@ Range@ 58 (* Michael De Vlieger, May 01 2016 *)

PROG

(PARI) a(n) = 7*prime(n); \\ Michel Marcus, May 01 2016

(Python)

from sympy import prime

for n in xrange(1, 1000):print(7*prime(n), end=", ") # Soumil Mandal, May 08 2016

CROSSREFS

Column 4 of A272214.

k times the primes (k=1..6): A000040, A100484, A001748, A001749, A001750, A138636.

Sequence in context: A100467 A082802 A258217 * A094393 A128705 A073250

Adjacent sequences:  A272467 A272468 A272469 * A272471 A272472 A272473

KEYWORD

nonn,easy

AUTHOR

Omar E. Pol, Apr 30 2016

STATUS

approved

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Last modified October 18 22:26 EDT 2019. Contains 328211 sequences. (Running on oeis4.)