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Search: id:A092858
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| A092858 |
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"Sum" of the sequences of primes and the triangular numbers (A00217). |
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+0
9
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| 5, 6, 7, 10, 11, 13, 15, 17, 19, 21, 23, 28, 29, 31, 36, 37, 41, 43, 45, 47, 53, 55, 59, 61, 66, 67, 71, 73, 78, 79, 83, 89, 91, 97, 101, 103, 105, 107, 109, 113, 120, 127, 131, 136, 137, 139, 149, 151, 153, 157, 163, 167, 171, 173, 179, 181, 190, 191, 193, 197, 199
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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If two monotonic sequences are mapped into the real codomain of (0,1) as it is defined in A051006,
then the fractional part of the sum of the two reals can be mapped back into a sequence as defined in A092855, yielding the "sum" of the two sequences.
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LINKS
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Ferenc Adorjan, Binary mapping of monotonic sequences and the Aronson function
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PROGRAM
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(PARI) {ssum(a, b)= /*Returns the "sum" monotonic sequences a and b */ return(mtinv(mt(a)+mt(b))) /* the functions mt(a) and mtinv(r) are defined in A051006 and A092855, respectively */ }
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CROSSREFS
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Cf. A092855, A051006, A092857, A092859, A092860, A092861, A092862, A092863, A092874.
Sequence in context: A080708 A047576 A123123 this_sequence A138966 A108910 A104122
Adjacent sequences: A092855 A092856 A092857 this_sequence A092859 A092860 A092861
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KEYWORD
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easy,nonn
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AUTHOR
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Ferenc Adorjan (fadorjan(AT)freemail.hu)
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