

A002038


Numbers dividing A002037(i) and larger than A002037(i1), for some i>0.
(Formerly M0749 N0282)


1



1, 2, 3, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 221, 230, 231, 238, 247, 253, 255, 266, 273, 285, 286, 299, 322, 323, 330, 345, 357, 374, 385, 390, 391, 399, 418, 429, 437, 442, 455, 462, 483, 494, 506, 510, 546, 561, 570, 595, 598, 627, 646, 663, 665, 690
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OFFSET

0,2


COMMENTS

Sequence constructed in van Lint's solution to problem 5412 posed by P. ErdÅ‘s (in Amer. Math. Monthly, 1966), cf. reference.


REFERENCES

N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).


LINKS

Table of n, a(n) for n=0..56.
J. H. van Lint, Solution to problem 5412, Amer. Math. Monthly 74 no.7 (1967), pp. 874875. (See also A002037.)


PROG

(PARI) P=L=1; for(a=1, 699, a>P & forprime(p=L+1, L*=3, P*=p); P%a  print1(a", ")) \\ M. F. Hasler, Jan 02 2013


CROSSREFS

Cf. A002037.
Sequence in context: A266536 A059096 A257678 * A032501 A240212 A093677
Adjacent sequences: A002035 A002036 A002037 * A002039 A002040 A002041


KEYWORD

nonn


AUTHOR

N. J. A. Sloane


EXTENSIONS

Entry revised by M. F. Hasler, Jan 02 2013


STATUS

approved



