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 A057748 Number of decompositions of 2n-1 into sum of a twin lucky number and a twin even-lucky-number (from A045955, A045956). 1
 0, 1, 2, 2, 2, 3, 4, 3, 3, 5, 4, 3, 4, 3, 2, 2, 3, 5, 5, 2, 2, 5, 4, 2, 4, 7, 7, 6, 5, 4, 4, 3, 3, 5, 6, 6, 5, 5, 6, 5, 4, 6, 8, 5, 2, 3, 4, 3, 1, 3, 7, 7, 4, 3, 5, 5, 3, 4, 7, 7, 5, 4, 4, 4, 5, 7, 7, 5, 6, 8, 6, 5, 8, 9, 8, 8, 6, 4, 3, 1, 3, 7, 6, 5, 7, 9, 8, 6, 6, 8, 10, 8, 6, 7, 7, 5, 2, 2, 7, 9, 6, 8, 11, 6 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 COMMENTS Conjecture: this sequence is always positive (with n>1). LINKS Jinyuan Wang, Table of n, a(n) for n = 1..5000 EXAMPLE 1 is not the sum of Twin lucky number and Twin Even-Lucky-Number, so a(1)=0; 3=1+2 (one way, so a(2)=1); 5=3+2=1+4 (so a(3)=2); etc. CROSSREFS Cf. A000959, A057701, A045954, A045955, A045956. Sequence in context: A178065 A366636 A366655 * A057747 A281965 A228074 Adjacent sequences: A057745 A057746 A057747 * A057749 A057750 A057751 KEYWORD nonn,easy AUTHOR Naohiro Nomoto, Oct 30 2000 EXTENSIONS Offset changed to 1 by Jinyuan Wang, Apr 07 2020 STATUS approved

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Last modified December 4 06:57 EST 2023. Contains 367557 sequences. (Running on oeis4.)