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 A100555 Smallest square that is equal to the sum of n not-necessarily-distinct primes plus 1. 4
 1, 4, 9, 9, 9, 16, 16, 16, 25, 25, 25, 25, 25, 36, 36, 36, 36, 36, 49, 49, 49, 49, 49, 49, 49, 64, 64, 64, 64, 64, 64, 64, 81, 81, 81, 81, 81, 81, 81, 81, 81, 100, 100, 100, 100, 100, 100, 100, 100, 100, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 144, 144 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS EXAMPLE a(1)=4 because 2^2=1+3. a(2)=9 because 3^2=1+3+5. a(3)=9 because 3^2=1+2+3+3. a(4)=9 because 3^2=1+2+2+2+2. CROSSREFS Cf. A100498, A101776-A101778. Sequence in context: A200642 A209674 A157300 * A250126 A186887 A140978 Adjacent sequences:  A100552 A100553 A100554 * A100556 A100557 A100558 KEYWORD nonn AUTHOR Giovanni Teofilatto, Dec 31 2004 EXTENSIONS Corrected and extended by Ray Chandler, Jan 10 2005 STATUS approved

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Last modified May 27 10:31 EDT 2020. Contains 334655 sequences. (Running on oeis4.)