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 A244358 Numbers n such that n, n+1, n+2, and n+3 are not divisible by any of their nonzero digits. 1
 56, 506, 556, 586, 596, 656, 667, 757, 787, 857, 866, 867, 956, 976, 977, 5056, 5066, 5096, 5506, 5666, 5756, 5776, 5876, 5906, 5986, 5996, 6056, 6067, 6506, 6697, 6986, 7057, 7556, 7576, 7597, 7757, 7786, 7787, 7876, 7897, 7906, 7976, 7996, 8066, 8067, 8506, 8596, 8666, 8697 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS This is a subsequence of A244357. All numbers end in a 6 or 7. LINKS Table of n, a(n) for n=1..49. EXAMPLE 56, 57, 58, and 59 are not divisible by any of their digits. Thus, 56 is a member of this sequence. PROG (Python) def a(n): ..for i in range(10**4): ....tot = 0 ....for k in range(i, i+n): ......c = 0 ......for b in str(k): ........if b != '0': ..........if k%int(b)!=0: ............c += 1 ......if c == len(str(k))-str(k).count('0'): ........tot += 1 ....if tot == n: ......print(i, end=', ') a(4) CROSSREFS Cf. A038772, A237766, A244357. Sequence in context: A220048 A257707 A067234 * A219832 A219576 A219943 Adjacent sequences: A244355 A244356 A244357 * A244359 A244360 A244361 KEYWORD nonn,base AUTHOR Derek Orr, Jun 26 2014 STATUS approved

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Last modified June 20 12:17 EDT 2024. Contains 373527 sequences. (Running on oeis4.)